igneous

Pink Granite

Granite (Felsic Plutonic Rock)

Hardness: 6-7 on Mohs scale; Color: Pink, reddish-orange, with grey and white grains; Luster: Vitreous to dull; Crystal structure: Phaneritic (coarse-grained); Cleavage: Perfect in feldspar grains, none in quartz; Specific gravity: 2.63 to 2.75

Hardness: 6-7 on Mohs scale
Color: Pink, reddish-orange, with grey and white grains
Luster: Vitreous to dull

Identified April 9, 2026More igneous →

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Physical properties

Formation & geological history

Formed through the slow crystallization of magma below Earth's surface. High in potassium feldspars (orthoclase) which give it the pink color. Can range from Precambrian to Cenozoic in age.

Uses & applications

Extensively used in construction for countertops, floor tiles, paving stones, monuments, and as a decorative architectural stone due to its durability.

Geological facts

The pink color comes specifically from the high concentration of potassium feldspar. It is one of the most recognizable rocks on Earth's continental crust and is exceptionally resistant to weathering.

Field identification & locations

Identified by its salt-and-pepper appearance with prominent pink/orange grains and visible glassy quartz crystals. It is found in mountain ranges and continental shields worldwide.

Other igneous specimens

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Blue Apatite

Fluorapatite (Ca5(PO4)3F)

mineral

Dark Igneous Rock (Likely Basalt or Diabase)

Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.

Igneous