Pink Granite

Physical Properties

Hardness: 6-7 (Mohs scale); Color: Pink to reddish with white/grey inclusions; Luster: Dull (weathered) to vitreous; Structure: Phaneritic (coarse-grained); Specific Gravity: 2.63–2.75

Formation & Geological History

Formed through the slow crystallization of magma below Earth's surface. High potassium feldspar content gives it the pink hue. This specimen appears water-worn, likely from a fluvial or glacial environment.

Uses & Applications

Used extensively in construction for countertops, floor tiles, and monuments. Also used as crushed stone and for ornamental landscaping.

Geological Facts

Granite is one of the most common rocks in the Earth's continental crust. Mount Rushmore is carved into a massive granite batholith. This specimen's pink color specifically indicates a high presence of orthoclase feldspar.

Field Identification & Locations

Identify by its 'salt and pepper' or multi-colored speckled appearance with large interlocking crystals. Found globally in mountainous areas and glacial deposits. For collectors, look for balance in crystal distribution.

Identified on: 4/24/2026

Mode: Standard