gemstone

Jade pendant, likely jadeite

Jadeite, NaAlSi₂O₆ (possibly nephrite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)

AI-generated identification · may be incorrect

Pale green, polished, translucent to opaque, with a vitreous-to-waxy luster; jadeite and nephrite have Mohs hardness about 6–7 and tough, interlocking crystal structures. The image alone cannot distinguish the two jade minerals reliably.

Identified October 3, 2026More gemstone →

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Physical properties

Formation & geological history

Jade forms during high-pressure metamorphism and fluid alteration, commonly in subduction-zone rocks; deposits range from geologically ancient to younger than 100 million years. The pendant is carved and polished, with a metal fitting and chain.

Uses & applications

Used for jewelry, ornaments, and carving; jade has longstanding cultural significance, especially in China and Mesoamerica.

Geological facts

“Jade” refers to two distinct minerals: jadeite and nephrite. Color and translucency vary widely, and treatments can affect value.

Field identification & locations

Check for a cool feel, smooth polish, and exceptional toughness; definitive identification and detection of dye or treatment require gemological testing. Jadeite is especially associated with Myanmar, while nephrite sources include China, Canada, and New Zealand.