Gemstone profile and identification guide

White Spinel

White spinel is the colorless to near-colorless variety of spinel used in fine jewelry.

8 Mohs Colorless, Near Colorless Oxide (Spinel Variety: Colorless Spinel)
White Spinel

Overview

White spinel is the colorless to near-colorless variety of spinel used in fine jewelry.

Did you know? Spinel is singly refractive, unlike corundum which is doubly refractive.

Use this profile as a collector reference and educational guide for quick on-page comparison, then validate with the interactive identification system.

Identification

Name: White Spinel

Scientific classification: Oxide (Spinel Variety: Colorless Spinel)

Hardness: 8 Mohs

Transparency: transparent

Lustre: vitreous

Crystal system: Isometric (Cubic)

Primary colour: Colorless

Secondary colour: Near Colorless

Colour family: Whites & Neutrals

Single refraction and spinel RI/SG values distinguish white spinel from corundum and diamond simulants.

Verification Status

Status: verified-core-fields

Reference priority: GIA, Gem-A, Mindat, International Gem Society

Core identity, locality, and physical-property fields reviewed against standard gemological references.

Final remaining profile set completed in targeted pass.

Physical Properties

Hardness category: hard

Hardness value: 8 Mohs

Chemical composition: Magnesium aluminum oxide (MgAl2O4)

Crystal system: Isometric (Cubic)

Common locations: Sri Lanka, Tanzania, Myanmar, Vietnam

Learn more: Gem-A gemstone education resources.

Colour Variations

Colorless spinel with high brilliance and good durability.

Optical effects: None specified in the current dataset.

Detailed Gemology

Mineral species: Spinel

Mineral group: Spinel group

Chemical formula: Magnesium aluminum oxide (MgAl2O4)

Mohs hardness: 8

Crystal system: Isometric (Cubic)

Lustre: vitreous

Transparency: transparent

Streak: White

Cleavage: None

Fracture: Conchoidal to uneven

Specific gravity: 3.58-3.63

Refractive index: 1.718

Optical phenomena: None typically diagnostic

Colour range: Colorless to near-colorless

Common inclusions: Species-dependent inclusions and growth features

Geological environment: Species-dependent

Principal mining regions: Sri Lanka, Tanzania, Myanmar, Vietnam

Important commercial sources: Colorless spinel is sourced from major alluvial and metamorphic spinel localities

Historical significance: Recognized in gemological and lapidary trade.

Common treatments: Generally untreated; clarity enhancement uncommon.

Synthetic or imitation forms: Imitations may exist depending on species.

Common look-alikes: Species-dependent look-alikes.

Jewellery uses: Used in rings, earrings, and high-clarity accent stones.

Care recommendations: Durable and suitable for regular wear with standard gemstone care.

Cross-check profile data with GIA Gem Encyclopedia and Mindat entry for White Spinel.

Formation

Forms in metamorphic and alluvial environments associated with spinel-bearing host rocks.

Origin

Colorless spinel is sourced from major alluvial and metamorphic spinel localities

Uses

Best for: Used in rings, earrings, and high-clarity accent stones.

Ideal uses: Durable colorless gemstone jewelry.

White Spinel FAQ

How can I identify White Spinel?

Compare hardness (8 Mohs), crystal system (Isometric (Cubic)), colour profile, and lustre (vitreous) with your sample. Then cross-check related gemstones listed above.

What colour range does White Spinel appear in?

Colorless spinel with high brilliance and good durability.

Where is White Spinel commonly used?

Durable colorless gemstone jewelry.. For maintenance, follow the care guidance in this profile.