igneous
Pink Granite
Intrusive Igneous Rock (Granitic)
Hardness: 6-7 Mohs; Color: Pink, reddish-orange, gray; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained); Cleavage: Perfect in feldspars, none in quartz.
- Hardness
- 6-7 Mohs
- Color
- Pink, reddish-orange, gray
- Luster
- Vitreous to dull
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Physical properties
Hardness: 6-7 Mohs; Color: Pink, reddish-orange, gray; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained); Cleavage: Perfect in feldspars, none in quartz.
Formation & geological history
Formed by the slow crystallization of magma below Earth's surface. High potassium feldspar content gives it the pink hue. Usually Precambrian to Cenozoic in age depending on location.
Uses & applications
Used extensively in construction for countertops, monuments, paving stones, and as crushed stone for road base. Sometimes used for ornamental carvings.
Geological facts
Granite makes up a large portion of the Earth's continental crust. Its pink color specifically indicates a high abundance of K-feldspar (orthoclase).
Field identification & locations
Identify by its interlocking crystalline texture and lack of bedding planes. Commonly found in batholiths and mountain cores across North America and Europe. Look for a speckled appearance with distinct pink, white, and black grains.
