metamorphic
White quartz-rich stone (possibly marble)
Likely calcite marble (recrystallized CaCO₃); exact identification is uncertain from the image
AI-generated identification · may be incorrectSmall, rough, pale-white fragment with a fine-grained, slightly translucent appearance. If marble, it is mainly calcite (Mohs 3, rhombohedral cleavage); quartz-rich stone would be harder (Mohs 7) and lack cleavage.
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Physical properties
Small, rough, pale-white fragment with a fine-grained, slightly translucent appearance. If marble, it is mainly calcite (Mohs 3, rhombohedral cleavage); quartz-rich stone would be harder (Mohs 7) and lack cleavage.
Formation & geological history
If marble, formed when limestone recrystallized under heat and pressure, at various geological ages. The image does not reveal enough texture to establish its origin or age.
Uses & applications
Marble is used for sculpture, tiles, countertops, and decorative stone; quartz-rich stone is used in construction and as an aggregate.
Geological facts
A simple field distinction: calcite marble fizzes when a drop of dilute acid is applied, while quartz-rich material does not; avoid testing valuable specimens.
Field identification & locations
The fragment is too small and featureless for confident identification or locality determination. A hardness or acid test would help distinguish likely materials.
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