igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Hardness: 6-7 Mohs; Color: Pink, reddish-brown, white, and black; Luster: Dull to vitreous; Structure: Phaneritic (coarse-grained) crystalline; Specific Gravity: 2.63 to 2.75
- Hardness
- 6-7 Mohs
- Color
- Pink, reddish-brown, white, and black
- Luster
- Dull to vitreous
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Physical properties
Hardness: 6-7 Mohs; Color: Pink, reddish-brown, white, and black; Luster: Dull to vitreous; Structure: Phaneritic (coarse-grained) crystalline; Specific Gravity: 2.63 to 2.75
Formation & geological history
Formed by the slow crystallization of silica-rich magma below the Earth's surface. High potassium feldspar content gives it the pink hue. Often found in continental crust and mountain ranges from various geological eras.
Uses & applications
Extensively used as a dimension stone for countertops, flooring, monuments, and curbing. Also used as crushed stone in construction and road building.
Geological facts
Granite is one of the hardest and most common rocks in the Earth's crust. Its name comes from the Latin 'granum', meaning a grain, referring to its coarse-grained structure.
Field identification & locations
Identify by looking for interlocking crystals of pink feldspar, clear to grey quartz, and dark mica or amphibole. Commonly found in riverbeds, glacial tills, and mountain outcrops.
