metamorphic

Yellow Jade (Nephrite or Quartzite variety)

Ca2(Mg,Fe)5Si8O22(OH)2 (Nephrite) / SiO2 (Quartzite variant)

AI-generated identification · may be incorrect

Hardness: 6-7 (Mohs), Color: Pale yellow to honey gold, Luster: Waxy to vitreous, Crystal Structure: Monoclinic (fibrous/interlocking aggregates), Specific Gravity: 2.9-3.0

Identified May 19, 2026More metamorphic →

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Physical properties

Hardness: 6-7 (Mohs), Color: Pale yellow to honey gold, Luster: Waxy to vitreous, Crystal Structure: Monoclinic (fibrous/interlocking aggregates), Specific Gravity: 2.9-3.0

Formation & geological history

Formed through regional or contact metamorphism of magnesium-rich limestones or dolomites, often found in alluvial deposits or as serpentinite-related outcrops.

Uses & applications

Used primarily in lapidary work for carvings, figurines, tumbled stones, jewelry (pendants and beads), and as a decorative collector's item.

Geological facts

In many cultures, yellow jade is associated with fire energy and wisdom. The specific yellowish tint is often due to iron inclusions or light-scattering microscopic textures. Translucent specimens are more highly prized than opaque ones.

Field identification & locations

Identify by its waxy feel and inability to be scratched by a steel knife. It is frequently found in riverbeds in China, British Columbia, and Russia. When carved into animal shapes like this cat, look for uniform translucency.