igneous
Pink Granite
Phaneritic Quartz-Feldspar Plutonic Rock
Hardness: 6-7 on Mohs scale. Color: Pinkish-orange to light red due to K-feldspar, mixed with white/gray quartz and black biotite. Luster: Vitreous to dull. Crystal structure: Phaneritic (visible crystals).
- Hardness
- 6-7 on Mohs scale
- Luster
- Vitreous to dull
Identified More igneous →
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Physical properties
Hardness: 6-7 on Mohs scale. Color: Pinkish-orange to light red due to K-feldspar, mixed with white/gray quartz and black biotite. Luster: Vitreous to dull. Crystal structure: Phaneritic (visible crystals).
Formation & geological history
Formed from the slow subterranean cooling of silica-rich magma (plutonic) within the Earth's crust, often during orogenic (mountain building) events.
Uses & applications
Extensively used in construction for countertops, floor tiles, paving stones, monuments, and as crushed stone for road base.
Geological facts
Granite makes up a large portion of the Earth's continental crust. Mount Rushmore is carved into a massive granite batholith. Its resistance to acid and wear makes it a premier kitchen surface.
Field identification & locations
Identified by its 'salt and pepper' appearance with distinct pinkish tones. Look for interlocking crystals of quartz and feldspar that are large enough to see with the naked eye.
