Mineral/Rock

Nephrite Jade

Nephrite

AI-generated identification · may be incorrect

Metamorphic rock, a variety of the mineral amphibole

Identified October 9, 2025More mineral/rock →

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Physical properties

Metamorphic rock, a variety of the mineral amphibole

Formation & geological history

Formed in metamorphic settings, often in areas with serpentine rocks, through alteration of calcium-rich igneous rocks, or through metamorphism of magnesian limestones or dolomites, usually found in convergent plate boundaries.

Uses & applications

Historically used for tools, weapons, and ceremonial objects, prized for ornamental carvings, jewelry, and sculptures.

Geological facts

A hard, tough material often confused with 'Jadeite', which is a pyroxene mineral. The term 'jade' broadly encompasses both nephrite and jadeite.

Field identification & locations

Highly valued in many cultures, particularly in East Asia (China) and Mesoamerica, for its beauty and symbolic meaning.

Other mineral/rock specimens

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Small rough mineral/rock specimen (not confidently identifiable)

Undetermined; image detail is insufficient for a reliable identification

mineral

Quartz-rich rock, likely granite or quartz-bearing metamorphic rock

Undetermined; possibly granitic rock composed mainly of quartz and feldspar, with mica or other dark minerals

igneous

Unknown brown-and-gold rock fragment

Undetermined; possibly iron-stained quartz, mica schist, or sulfide-bearing ore

mineral

Unidentified weathered mineral/rock fragment

Indeterminate; likely a weathered iron-rich silicate or sulfide-bearing specimen

mineral

Gravel / Crushed Stone

Aggregate (mixed mineral rock fragments)

sedimentary

Sandstone (with Moss)

Quartz Arenite / Sandstone

sedimentary