Rock Identifier
Carved nephrite jade Buddha (Nephrite jade, an interlocking amphibole aggregate dominated by tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂) — gemstone
gemstone

Carved nephrite jade Buddha

Nephrite jade, an interlocking amphibole aggregate dominated by tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂

AI-generated identification · may be incorrect

Dark olive-green, highly polished, waxy to vitreous luster; Mohs hardness 6–6.5, tough and cryptocrystalline with no visible cleavage. The rounded carved form and pedestal indicate a human-worked gemstone specimen.

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Physical properties

Dark olive-green, highly polished, waxy to vitreous luster; Mohs hardness 6–6.5, tough and cryptocrystalline with no visible cleavage. The rounded carved form and pedestal indicate a human-worked gemstone specimen.

Formation & geological history

Nephrite forms chiefly through metamorphism and metasomatism of ultramafic or carbonate rocks, commonly in tectonic collision zones; individual pieces may be geologically Paleozoic to younger. Exact age and locality cannot be determined from the image.

Uses & applications

Used for carvings, beads, ornaments, tools, and jewelry; jade Buddha figures are decorative and collectible. Value depends strongly on translucency, even color, carving quality, size, and documented provenance.

Geological facts

Nephrite’s exceptional toughness comes from its dense felted amphibole-fiber structure. It is distinct from jadeite jade, which is a pyroxene mineral and is generally harder and more valuable when fine quality.

Field identification & locations

Identify by its unusually tough, smooth waxy polish, green-to-gray color, and inability to scratch easily with a steel knife; test carefully because the carving may be damaged. Common sources include China, British Columbia, Siberia, New Zealand, and Wyoming.