igneous
Pink Granite
Granite (Phaneritic Igneous Rock)
Hardness: 6-7 on Mohs scale. Color: Pink, reddish-orange, white, and gray. Luster: Vitreous to dull. Crystal structure: Phaneritic (coarse-grained), primarily composed of orthoclase feldspar, quartz, and plagioclase.
- Hardness
- 6-7 on Mohs scale
- Color
- Pink, reddish-orange, white, and gray
- Luster
- Vitreous to dull
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Physical properties
Hardness: 6-7 on Mohs scale. Color: Pink, reddish-orange, white, and gray. Luster: Vitreous to dull. Crystal structure: Phaneritic (coarse-grained), primarily composed of orthoclase feldspar, quartz, and plagioclase.
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface. Granite is an intrusive igneous rock found in large plutons or batholiths, often dating back hundreds of millions of years to the Precambrian era.
Uses & applications
Extensively used in construction for countertops, floor tiles, paving stones, curbing, and monuments due to its durability and aesthetic appeal.
Geological facts
Granite makes up a large portion of the Earth's continental crust. The pink color is specifically derived from a high concentration of potassium feldspar (orthoclase).
Field identification & locations
Identify in the field by its coarse, interlocking mineral grains and lack of foliation. Pink granite is common in areas like the Llano Uplift in Texas, the Scottish Highlands, and parts of the Canadian Shield.
