mineral
Quartz-rich stone fragment
Likely quartz (SiO₂), though the image is too dim to identify confidently
AI-generated identification · may be incorrectSmall, pale gray-tan, rough fragment with a dull to slightly granular surface; hardness and crystal structure cannot be determined visually. Quartz has Mohs hardness 7 and a trigonal crystal structure.
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Physical properties
Small, pale gray-tan, rough fragment with a dull to slightly granular surface; hardness and crystal structure cannot be determined visually. Quartz has Mohs hardness 7 and a trigonal crystal structure.
Formation & geological history
If quartz, it formed through crystallization from silica-rich fluids or magma; its geological age and specific formation environment are unknown.
Uses & applications
Quartz is widely used in glassmaking, electronics, construction aggregate, and jewelry; this fragment appears to have little commercial value.
Geological facts
Quartz is one of Earth’s most abundant minerals and commonly occurs in many rock types.
Field identification & locations
A hardness test against glass and examination of fresh fracture surfaces can help distinguish quartz from softer, chalkier minerals. The photo does not show enough detail to establish its locality or exact identity.
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