igneous
Pink granite
Granite, composed mainly of potassium feldspar, quartz, and dark mica/amphibole
AI-generated identification · may be incorrectCoarse-grained, mottled salmon-pink, white, and black; feldspar and quartz are about Mohs 6–7, with vitreous to dull luster and no prominent cleavage in the whole rock. The visible interlocking crystals and color suggest granite, though a photo cannot confirm the exact variety.
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Physical properties
Coarse-grained, mottled salmon-pink, white, and black; feldspar and quartz are about Mohs 6–7, with vitreous to dull luster and no prominent cleavage in the whole rock. The visible interlocking crystals and color suggest granite, though a photo cannot confirm the exact variety.
Formation & geological history
Formed when silica-rich magma cooled slowly underground, allowing coarse crystals to grow; such rocks occur in ancient continental crust, commonly hundreds of millions to billions of years old.
Uses & applications
Used for building and paving stone, countertops, monuments, and decorative or collection specimens.
Geological facts
Pink color usually comes from potassium feldspar; black minerals are commonly biotite or hornblende.
Field identification & locations
Identify by its interlocking, visible quartz, feldspar, and dark minerals, with no layering; granite is widespread in continental mountain belts and shield regions.
