igneous
Pink Granite
Granite (High K-Feldspar variety)
Hardness: 6-7 on Mohs scale; Color: Pinkish-red with black and grey speckles; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained intrusive); Specific gravity: 2.63 to 2.75
- Hardness
- 6-7 on Mohs scale
- Color
- Pinkish-red with black and grey speckles
- Luster
- Vitreous to dull
Identified More igneous →
Explore Pink Granite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 6-7 on Mohs scale; Color: Pinkish-red with black and grey speckles; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained intrusive); Specific gravity: 2.63 to 2.75
Formation & geological history
Formed through the slow crystallization of magma below Earth's surface. This intrusive process allows for the growth of visible mineral crystals. Most granite deposits date back to the Precambrian or Paleozoic eras.
Uses & applications
Used extensively in construction for countertops, floor tiles, and monuments. Smooth river rocks like this are often used in landscaping or decorative gravel.
Geological facts
The pink color in this specimen is caused by an abundance of potassium feldspar (orthoclase). Granite makes up the majority of the Earth's continental crust.
Field identification & locations
Identify by its interlocking crystalline texture and hard surface that cannot be scratched by a steel nail. Commonly found in riverbeds or glacial tills where water erosion has rounded the edges into a 'river stone' shape.
