Rock Identifier
Granite Pebble (Intrusive Igneous Rock) — igneous
igneous

Granite Pebble

Intrusive Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, granular texture, mottled gray and white color, dull to vitreous luster, composed mainly of quartz, feldspar, and mica.

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Physical properties

Hardness of 6 on the Mohs scale, granular texture, mottled gray and white color, dull to vitreous luster, composed mainly of quartz, feldspar, and mica.

Formation & geological history

Formed from the slow crystallization of magma beneath Earth's surface over millions of years, then smoothed by water action.

Uses & applications

Used in landscaping, decorative stone, and educational geology collections.

Geological facts

Granite is the most common intrusive rock on Earth and forms the core of many major mountain ranges.

Field identification & locations

Easily identified by its speckled, interlocking mineral grains and high durability; found worldwide in riverbeds and glacial deposits.