Discovery hub

Transparent Gemstones

Use this hub to review gemstones that transmit light clearly, then compare hardness and crystal-system details on each profile page.

Use identification tool

Transparent appearance is one key signal. For better accuracy, combine transparency with colour, hardness, and crystal-system evidence.

Adularia

Adularia is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Alexandrite

Alexandrite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Allanite

Allanite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Almandine

Almandine is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Amethyst

Amethyst is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Ametrine

Ametrine is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Andalusite

Andalusite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Andradite

Andradite is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Apophyllite

Apophyllite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Aqua Aura Quartz

Aqua Aura Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Aqua, Blue
Read profile

Aquamarine

Aquamarine is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Aqua, Blue
Read profile

Astrophyllite

Astrophyllite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Aurora Quartz

Aurora Quartz is a Multicolour silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Multicolour
Read profile

Aventurine

Aventurine is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Azurite

Azurite is a Blue, Green phosphate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6 Mohs Blue, Green
Read profile

Beryl

Beryl is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Bixbite

Bixbite is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Black Spinel

Black Spinel is a Black oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Black
Read profile

Black Tourmaline

Black Tourmaline is a Black cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Black
Read profile

Blue Quartz

Blue Quartz is a Blue silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Blue
Read profile

Blue Spinel

Blue Spinel is a Blue oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue
Read profile

Blue Topaz

Blue Topaz is a Blue silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue
Read profile

Cactus Quartz

Cactus Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Carnelian

Carnelian is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Cat's Eye Chrysoberyl

Cat's Eye Chrysoberyl is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Cat's Eye Quartz

Cat's Eye Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Cat's Eye Topaz

Cat's Eye Topaz is a Blue, Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Yellow
Read profile

Champagne Topaz

Champagne Topaz is a Blue, Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Champagne
Read profile

Cherry Quartz

Cherry Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Chevron Amethyst

Chevron Amethyst is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Chrome Diopside

Chrome Diopside is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Chrome Garnet

Chrome Garnet is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Chrysoberyl

Chrysoberyl is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Chrysocolla

Chrysocolla is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Chrysoprase

Chrysoprase is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Citrine

Citrine is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Clear Quartz

Clear Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Colourless / Clear, White
Read profile

Clinozoisite

Clinozoisite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Cymophane

Cymophane is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Danburite

Danburite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Demantoid

Demantoid is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Diamond

Diamond is a Colourless, White native element prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

10 Mohs Colourless / Clear, White
Read profile

Dioptase

Dioptase is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Dravite

Dravite is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Elbaite

Elbaite is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Emerald

Emerald is a Green, Forest Green cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Emerald Green, Forest Green
Read profile

Epidote

Epidote is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Euclase

Euclase is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Fire Quartz

Fire Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Orange, Yellow
Read profile

Garden Quartz

Garden Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Garnet

Garnet is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Ghost Quartz

Ghost Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Golden Healer Quartz

Golden Healer Quartz is a Gold silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Gold, Yellow
Read profile

Goshenite

Goshenite is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Green Beryl

Green Beryl is a Green cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Green
Read profile

Green Quartz

Green Quartz is a Green silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green
Read profile

Green Sapphire

Green Sapphire is a Green oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Green Topaz

Green Topaz is a Green silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Green
Read profile

Green Tourmaline

Green Tourmaline is a Green cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green
Read profile

Grossular

Grossular is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Harlequin Quartz

Harlequin Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Hawk's Eye

Hawk's Eye is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Heliodor

Heliodor is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Hessonite

Hessonite is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Hiddenite

Hiddenite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Honey Calcite

Honey Calcite is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Gold, Honey
Read profile

Hydro Quartz

Hydro Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Ice Quartz

Ice Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Iceland Spar

Iceland Spar is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Imperial Topaz

Imperial Topaz is a Blue, Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Yellow
Read profile

Indicolite

Indicolite is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Iolite

Iolite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Kunzite

Kunzite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Kyanite

Kyanite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Larimar

Larimar is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Aqua, Blue
Read profile

Lazurite

Lazurite is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Lemon Quartz

Lemon Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Lemurian Quartz

Lemurian Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Libyan Desert Glass

Libyan Desert Glass is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Liddicoatite

Liddicoatite is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

London Blue Topaz

London Blue Topaz is a Blue silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue
Read profile

Maxixe

Maxixe is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Melanite

Melanite is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Moldavite

Moldavite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Morganite

Morganite is a Green, Blue cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Blue, Green
Read profile

Mystic Topaz

Mystic Topaz is a Blue, Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Yellow
Read profile

Nephrite

Nephrite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Nigrine

Nigrine is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Ocean Reef

Ocean Reef is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Olivine

Olivine is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Orange Sapphire

Orange Sapphire is a Orange oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Orange Spinel

Orange Spinel is a Orange oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Orange
Read profile

Orthoclase

Orthoclase is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Padparadscha Sapphire

Padparadscha Sapphire is a Blue, Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Paraiba Spinel

Paraiba Spinel is a Blue, Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Aqua, Blue
Read profile

Paraiba Tourmaline

Paraiba Tourmaline is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Aqua, Blue
Read profile

Peach Topaz

Peach Topaz is a Blue, Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Orange
Read profile

Peridot

Peridot is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Petrified Wood

Petrified Wood is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Phantom Quartz

Phantom Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Phenakite

Phenakite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Phosphosiderite

Phosphosiderite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Pietersite

Pietersite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Pink Sapphire

Pink Sapphire is a Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Pink Spinel

Pink Spinel is a Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Pink
Read profile

Pink Tourmaline

Pink Tourmaline is a Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Pink
Read profile

Prasiolite

Prasiolite is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Prehnite

Prehnite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Pyrite

Pyrite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Pyrope

Pyrope is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Raspberry Quartz

Raspberry Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Red Beryl

Red Beryl is a Red cyclosilicate (beryl) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7.5 Mohs Red
Read profile

Red Spinel

Red Spinel is a Red oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Red
Read profile

Rhodochrosite

Rhodochrosite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Rhodolite

Rhodolite is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Rhodonite

Rhodonite is a Blue, Green phosphate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6 Mohs Blue, Green
Read profile

Rose Aura Quartz

Rose Aura Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Rose Quartz

Rose Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Royal Blue Sapphire

Royal Blue Sapphire is a Blue oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Royal Blue
Read profile

Rubellite

Rubellite is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Ruby

Ruby is a Red, Crimson oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Burgundy, Red
Read profile

Rutilated Quartz

Rutilated Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Sapphire

Sapphire is a Blue, Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Schorl

Schorl is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Selenite

Selenite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Seraphinite

Seraphinite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Serpentine

Serpentine is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Sky Blue Topaz

Sky Blue Topaz is a Blue silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Sky Blue
Read profile

Smithsonite

Smithsonite is a Blue, Green phosphate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6 Mohs Blue, Green
Read profile

Smoky Quartz

Smoky Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Spectrolite

Spectrolite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Spessartine

Spessartine is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Sphalerite

Sphalerite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Spinel

Spinel is a Blue, Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Pink
Read profile

Spirit Quartz

Spirit Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Star Ruby

Star Ruby is a Red, Crimson oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Burgundy, Red
Read profile

Star Sapphire

Star Sapphire is a Blue, Pink oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Strawberry Quartz

Strawberry Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Sugilite

Sugilite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Taaffeite

Taaffeite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Tanzanite

Tanzanite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Blue, Green
Read profile

Tektite

Tektite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Thulite

Thulite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Titanite

Titanite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Topaz

Topaz is a Blue, Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Blue, Yellow
Read profile

Tourmalinated Quartz

Tourmalinated Quartz is a Purple, Yellow silicate (quartz) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Yellow, Purple
Read profile

Tourmaline

Tourmaline is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

Tsavorite

Tsavorite is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Tugtupite

Tugtupite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Uvarovite

Uvarovite is a Red, Green silicate (garnet) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Burgundy
Read profile

Vesuvianite

Vesuvianite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Watermelon Tourmaline

Watermelon Tourmaline is a Green, Pink cyclosilicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

7 Mohs Green, Pink
Read profile

White Sapphire

White Sapphire is a White oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

White Spinel

White Spinel is a White oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs White
Read profile

Yellow Sapphire

Yellow Sapphire is a Yellow oxide (corundum) prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

9 Mohs Blue, Sapphire Blue
Read profile

Yellow Topaz

Yellow Topaz is a Yellow silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

8 Mohs Yellow
Read profile

Zircon

Zircon is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile

Zoisite

Zoisite is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Green, Brown
Read profile