mineral

Clear quartz crystal pendant

Quartz (silicon dioxide, SiO₂)

AI-generated identification · may be incorrect

Likely a natural, rough clear-quartz point held in a metal-wire cage. Quartz has Mohs hardness 7, a vitreous luster, trigonal crystal structure, no cleavage, and conchoidal fracture; the image’s backlighting makes exact color and clarity uncertain.

Identified October 10, 2026More mineral →

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Physical properties

Formation & geological history

Quartz crystallizes from silica-rich fluids in veins and cavities, in rocks of many ages. This pendant’s geological age and source cannot be determined from the image.

Uses & applications

Quartz is used in jewelry, glassmaking, electronics, and as an industrial silica source; this specimen is fashioned as a wearable pendant.

Geological facts

Quartz is among Earth’s most abundant minerals and can form large, well-defined crystals.

Field identification & locations

Look for glassy luster, hardness sufficient to scratch ordinary glass, and lack of cleavage; the visible pointed, translucent crystal is consistent with quartz. Quartz occurs worldwide, including in Brazil, Madagascar, and the United States.