Gemstone profile and identification guide

Black Jade

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

6.5 Mohs Black Silicate

Overview

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

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

Identification

Name: Black Jade

Scientific classification: Silicate

Hardness: 6.5 Mohs

Transparency: translucent

Lustre: silky

Crystal system: Monoclinic / Orthorhombic

Primary colour: Black

Secondary colour: Not specified

Colour family: Neutrals

Physical Properties

Hardness category: medium

Hardness value: 6.5 Mohs

Chemical composition: Sodium aluminum silicate (jadeite) or calcium magnesium silicate (nephrite)

Crystal system: Monoclinic / Orthorhombic

Common locations: Myanmar, China, Guatemala, Canada

Learn more: Gem-A gemstone education resources.

Colour Variations

Black Jade is classified within the neutrals palette. Primary colour: black.

Optical effects: None specified in the current dataset.

Formation

Forms by metamorphism of ultramafic rocks under high pressure, often in subduction zones.

Origin

Myanmar, China, Guatemala, Canada

Uses

Best for: Jewellery, displays, and design accents.

Ideal uses: Versatile collections and polished showcases.

Related gemstones by colour

Related gemstones by hardness

Gemstones from the same mineral family

Commonly confused gemstones

Black Jade FAQ

How can I identify Black Jade?

Compare hardness (6.5 Mohs), crystal system (Monoclinic / Orthorhombic), colour profile, and lustre (silky) with your sample. Then cross-check related gemstones listed above.

What colour range does Black Jade appear in?

Black Jade is classified within the neutrals palette. Primary colour: black.

Where is Black Jade commonly used?

Versatile collections and polished showcases.. For maintenance, follow the care guidance in this profile.