igneous
Weathered pink granite fragment
Granite, chiefly quartz, potassium feldspar, and plagioclase feldspar with minor mica
AI-generated identification · may be incorrectCoarse-grained, pale salmon-pink and cream, with granular texture and dull to slightly vitreous luster; individual minerals are difficult to resolve in the image. Hardness is approximately 6–7 Mohs, with no prominent cleavage as a whole rock and typical specific gravity around 2.6–2.7.
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Physical properties
Coarse-grained, pale salmon-pink and cream, with granular texture and dull to slightly vitreous luster; individual minerals are difficult to resolve in the image. Hardness is approximately 6–7 Mohs, with no prominent cleavage as a whole rock and typical specific gravity around 2.6–2.7.
Formation & geological history
Granite forms when silica-rich magma cools slowly deep within continental crust, allowing large crystals to grow; most exposed granite is Precambrian to Phanerozoic in age and later weathered or eroded.
Uses & applications
Commonly used as dimension stone, countertops, monuments, paving, aggregate, and landscaping material; this small fragment has negligible commercial or jewelry value.
Geological facts
The pink color usually comes from potassium feldspar, while dark flecks commonly represent biotite or amphibole. Its irregular surface suggests natural weathering or breakage rather than a polished specimen.
Field identification & locations
Identify it by its visible interlocking light and dark grains, lack of layering, and inability to scratch glass if tested cautiously; common worldwide in continental mountain belts and granite quarries.
