igneous
Granite Pebble
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale with a mottled pink, gray, and black color. Exhibits a vitreous to dull luster and a phaneritic, interlocking crystal structure.
Identified More igneous →
Explore Granite Pebble 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 with a mottled pink, gray, and black color. Exhibits a vitreous to dull luster and a phaneritic, interlocking crystal structure.
Formation & geological history
Formed from the slow crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Commonly used in landscaping, construction aggregate, and decorative gravel.
Geological facts
Granite is the most common intrusive rock on Earth's crust and forms the foundation of many continental mountain ranges.
Field identification & locations
Easily identified by visible interlocking mineral grains of quartz, feldspar, and mica. Found globally in riverbeds and glacial drift.
