igneous
Pink Granite
Phaneritic Felsic Igneous Rock
Hardness: 6-7 Mohs; Color: Pink, reddish-orange, and white; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained); Cleavage: Two directions (in feldspars); Specific gravity: 2.63 to 2.75
- Hardness
- 6-7 Mohs
- Color
- Pink, reddish-orange, and white
- Luster
- Vitreous to dull
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Physical properties
Hardness: 6-7 Mohs; Color: Pink, reddish-orange, and white; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained); Cleavage: Two directions (in feldspars); Specific gravity: 2.63 to 2.75
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface. High potassium feldspar content gives it the distinct reddish-pink hue. Common in continental crust and mountain ranges.
Uses & applications
Crushed stone for construction, architectural facade, kitchen countertops, and decorative landscape gravel.
Geological facts
Granite is one of the hardest and most durable common rocks. The red color suggests a high concentration of orthoclase (potassium-rich) feldspar.
Field identification & locations
Identify in the field by its coarse, interlocking crystalline texture and lack of layering. Found globally in batholiths and eroded mountain shields.
