igneous
Pink granite (probable)
Granite, a coarse-grained felsic intrusive igneous rock; commonly quartz, feldspar, and mica
AI-generated identification · may be incorrectThe specimen appears pink-orange and granular, likely dominated by potassium feldspar with quartz and dark mica. Granite typically has Mohs hardness 6–7, a vitreous-to-dull luster, interlocking crystals, and no regular cleavage as a whole rock; the image does not show enough detail for a firm identification.
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Physical properties
The specimen appears pink-orange and granular, likely dominated by potassium feldspar with quartz and dark mica. Granite typically has Mohs hardness 6–7, a vitreous-to-dull luster, interlocking crystals, and no regular cleavage as a whole rock; the image does not show enough detail for a firm identification.
Formation & geological history
Granite forms when silica-rich magma cools slowly underground, allowing visible crystals to grow. It occurs in continental crust and spans a wide range of geological ages.
Uses & applications
Granite is widely used as building and paving stone, countertops, monuments, and decorative aggregate; attractive pieces may be collected.
Geological facts
Pink coloration commonly comes from potassium feldspar, though iron staining or other minerals can alter the appearance.
Field identification & locations
Look for interlocking grains and distinguishable quartz, feldspar, and dark mica; the pictured piece may also be another feldspar-rich rock. Granites occur worldwide in continental mountain belts and ancient shields.
