igneous
Likely pink granite
Granite, a coarse-grained felsic intrusive igneous rock
AI-generated identification · may be incorrectPink and gray interlocking crystals with a rough, granular texture; typically quartz (Mohs 7), feldspar (about 6), and mica (2–3). The pictured specimen appears coarse-grained, but its mineral proportions cannot be confirmed from the screen image.
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Physical properties
Pink and gray interlocking crystals with a rough, granular texture; typically quartz (Mohs 7), feldspar (about 6), and mica (2–3). The pictured specimen appears coarse-grained, but its mineral proportions cannot be confirmed from the screen image.
Formation & geological history
Forms when silica-rich magma cools slowly underground, allowing visible crystals to grow. Granite occurs in ancient continental crust of many geological ages.
Uses & applications
Used for countertops, building stone, monuments, paving, and decorative specimens.
Geological facts
Pink color commonly comes from potassium feldspar; quartz and dark mica or amphibole make the contrasting grains.
Field identification & locations
Identify by visible interlocking crystals and a mix of pink feldspar, glassy gray quartz, and dark minerals; common worldwide in continental mountain belts. The image is a photograph of a specimen displayed on a screen, so identification is provisional.
