igneous
Pink granite
Granite, a quartz–feldspar plutonic rock
AI-generated identification · may be incorrectCoarse-grained, pink to reddish with pale and dark mineral flecks; typically quartz, potassium feldspar, plagioclase, and mica. Hardness is about 6–7 Mohs; crystals are interlocking, with no distinct cleavage at the rock scale and a granular texture.
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Physical properties
Coarse-grained, pink to reddish with pale and dark mineral flecks; typically quartz, potassium feldspar, plagioclase, and mica. Hardness is about 6–7 Mohs; crystals are interlocking, with no distinct cleavage at the rock scale and a granular texture.
Formation & geological history
Forms when silica-rich magma cools slowly underground, allowing visible crystals to grow. Granites occur in ancient continental crust, with ages ranging from hundreds of millions to billions of years.
Uses & applications
Used as dimension stone, paving, countertops, monuments, and decorative aggregate; small pieces are also collected.
Geological facts
The pink color commonly comes from potassium feldspar, while gray, glassy grains are often quartz and dark flecks are mica or amphibole.
Field identification & locations
Identify it by its coarse, interlocking grains and mix of pink feldspar, quartz, and dark minerals; this small specimen’s exact identity cannot be confirmed from the image alone. Granite is widespread in continental mountain belts and exposed shields.
