Rock Identifier
Small quartz crystal fragment (Quartz, SiO₂) — mineral
mineral

Small quartz crystal fragment

Quartz, SiO₂

AI-generated identification · may be incorrect

Tiny pale translucent-to-white fragment with a vitreous luster; likely Mohs hardness 7 and hexagonal crystal structure. The image is too small to assess cleavage or specific gravity reliably.

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Physical properties

Tiny pale translucent-to-white fragment with a vitreous luster; likely Mohs hardness 7 and hexagonal crystal structure. The image is too small to assess cleavage or specific gravity reliably.

Formation & geological history

Quartz forms in igneous and hydrothermal environments and in sedimentary and metamorphic rocks; this fragment’s age and source cannot be determined from the photo.

Uses & applications

Quartz is widely used in glass, electronics, and construction; attractive crystal specimens are collected, though this piece appears too small for jewelry use.

Geological facts

Quartz has no true cleavage and commonly breaks with curved, shell-like fracture surfaces.

Field identification & locations

Look for glassy luster, hardness sufficient to scratch glass, and lack of cleavage; quartz occurs worldwide. The image shows a small angular fragment, but identification is tentative without closer examination.