igneous
Pink granite
Granite, composed mainly of quartz, feldspar, and mica
AI-generated identification · may be incorrectCoarse-grained, mottled pink, white, and dark minerals; typically vitreous quartz and feldspar with shiny mica. Hardness about 6–7 Mohs; interlocking crystals, no preferred cleavage as a rock.
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Physical properties
Coarse-grained, mottled pink, white, and dark minerals; typically vitreous quartz and feldspar with shiny mica. Hardness about 6–7 Mohs; interlocking crystals, no preferred cleavage as a rock.
Formation & geological history
Formed when silica-rich magma cooled slowly underground, allowing visible crystals to grow. The image cannot establish its geological age or exact locality.
Uses & applications
Used as dimension stone, countertops, paving, monuments, and decorative aggregate; also collected as a common rock specimen.
Geological facts
Pink color commonly comes from potassium feldspar, while dark flecks are often biotite or amphibole. The specimen appears coarse and crystalline, consistent with granite, though a photo alone cannot confirm the exact rock type.
Field identification & locations
Look for interlocking grains of pale quartz and feldspar with scattered dark minerals; granite does not fizz with dilute acid. Common worldwide in continental crust and exposed in mountain ranges and ancient shields.
