
mineral
Small clear crystal, probably quartz
Quartz (SiO₂), possibly a tiny quartz chip or translucent feldspar fragment
AI-generated identification · may be incorrectColorless to translucent, glassy luster, likely Mohs hardness about 7 if quartz; apparent crystal faces are too small for confident identification. Cleavage is absent in quartz, while feldspar commonly shows cleavage and is softer (Mohs 6).
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Physical properties
Colorless to translucent, glassy luster, likely Mohs hardness about 7 if quartz; apparent crystal faces are too small for confident identification. Cleavage is absent in quartz, while feldspar commonly shows cleavage and is softer (Mohs 6).
Formation & geological history
Most likely a naturally formed quartz grain or crystal fragment from igneous or metamorphic rocks, or an alluvial deposit. Quartz is geologically widespread and may be millions to billions of years old; the image cannot establish its exact age or origin.
Uses & applications
This size has negligible commercial value, though quartz is widely used in glass, ceramics, electronics, abrasives, and decorative specimens. It is not gem-quality based on the photograph.
Geological facts
The specimen appears only a few millimeters across and is resting on a palm, so scale and optical properties are limited. Strong lighting can make ordinary quartz resemble diamond or glass.
Field identification & locations
Test cautiously: quartz should scratch ordinary glass and should not be scratched by a steel knife; inspect for internal fractures, bubbles, or conchoidal breakage. Quartz is plausible near 16.9°N, 99.8°W, where volcanic, metamorphic, and alluvial materials occur.
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