igneous
K-feldspar Granite
Alkali-feldspar granite
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, pink to reddish color, vitreous luster, phaneritic crystal structure, and a specific gravity of approximately 2.65.
Identified More igneous →
Explore K-feldspar Granite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 6 on the Mohs scale, pink to reddish color, vitreous luster, phaneritic crystal structure, and a specific gravity of approximately 2.65.
Formation & geological history
Formed through the slow cooling and crystallization of silica-rich magma beneath the Earth's surface over millions of years.
Uses & applications
Used primarily in architectural construction, decorative countertops, monument building, and geological study.
Geological facts
Potassium feldspar gives this rock its distinctive pink hue, differentiating it from white or gray standard granites.
Field identification & locations
Identified by visible interlocking mineral grains of pink feldspar, quartz, and dark mica; commonly found in continental shields and mountain roots.
