Rock Identifier
Carved jade pendant, likely nephrite (Nephrite jade (tremolite–actinolite amphibole); species not confirmable from the image) — gemstone
gemstone

Carved jade pendant, likely nephrite

Nephrite jade (tremolite–actinolite amphibole); species not confirmable from the image

AI-generated identification · may be incorrect

Green, polished, intricately carved pendant with a waxy-to-greasy luster. Nephrite has Mohs hardness 6–6.5, a tough interlocking-fiber structure, and specific gravity about 2.9–3.1; jadeite is a possible alternative without testing.

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Physical properties

Green, polished, intricately carved pendant with a waxy-to-greasy luster. Nephrite has Mohs hardness 6–6.5, a tough interlocking-fiber structure, and specific gravity about 2.9–3.1; jadeite is a possible alternative without testing.

Formation & geological history

Jade forms through metamorphic alteration, commonly in subduction-related settings; nephrite-bearing rocks occur in places such as China, British Columbia, and New Zealand. The pendant’s age and precise source cannot be determined visually.

Uses & applications

Carved for jewelry and collecting; jade is also valued for ornamental objects and cultural significance.

Geological facts

The certificate pictured appears to identify the piece as jade, but a photograph cannot verify its material or authenticity.

Field identification & locations

Look for dense, fine-grained material, a smooth polish, and high toughness; distinguish nephrite from jadeite with gemological testing. Carving detail and color alone do not establish origin or quality.