igneous
Pink Granite
Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)
Hardness: 6-7 (Mohs); Color: Pink to reddish-orange with white/grey/black specks; Luster: Vitreous to dull; Structure: Granular/Phaneritic; Specific Gravity: 2.63-2.75.
- Hardness
- 6-7 (Mohs)
- Color
- Pink to reddish-orange with white/grey/black specks
- Luster
- Vitreous to dull
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Physical properties
Hardness: 6-7 (Mohs); Color: Pink to reddish-orange with white/grey/black specks; Luster: Vitreous to dull; Structure: Granular/Phaneritic; Specific Gravity: 2.63-2.75.
Formation & geological history
Formed via the slow crystallization of magma below the Earth's surface (intrusive). The pink color is derived from an abundance of potassium feldspar (orthoclase). These formations can range from millions to billions of years old.
Uses & applications
Extensively used in construction, countertops, floor tiles, paving stones, and as a decorative building material due to its durability and aesthetic appeal.
Geological facts
Granite is the primary rock type making up the Earth's continental crust. Famous landmarks like Mount Rushmore and the base of the Statue of Liberty are made of granite.
Field identification & locations
Identified by its visible interlocking crystals (granular texture) and hardness (will scratch glass). Found in mountain ranges and eroded shield areas globally. Collectors look for large mineral grains or unique color patterns.
