igneous
Pink Granite
Phaneritic plutonic rock (rich in Potassium Feldspar and Quartz)
Hardness: 6-7 Mohs; Color: Pink, salmon, or reddish with flecks of black and white; Luster: Dull to vitreous; Structure: Phaneritic (coarse-grained) crystalline; Density: 2.65-2.75 g/cm3.
- Hardness
- 6-7 Mohs
- Color
- Pink, salmon, or reddish with flecks of black and white
- Luster
- Dull to vitreous
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Physical properties
Hardness: 6-7 Mohs; Color: Pink, salmon, or reddish with flecks of black and white; Luster: Dull to vitreous; Structure: Phaneritic (coarse-grained) crystalline; Density: 2.65-2.75 g/cm3.
Formation & geological history
Formed by the slow cooling of silica-rich magma deep underground (plutonic). Found in continental crust and mountain ranges, often dating back hundreds of millions to billions of years.
Uses & applications
Widely used for kitchen countertops, building monuments, flooring, curbing, and as crushed stone for road construction and railroad ballast.
Geological facts
Pink granite gets its distinctive hue specifically from an abundance of potassium feldspar (orthoclase). It is one of the most common rocks in the Earth's continental crust.
Field identification & locations
Identify in the field by looking for a 'salt and pepper' speckling but with a dominant pink/orange matrix and clear interlocking crystals. Found globally in shield areas like the Canadian Shield or Scotland.
