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

Granite Pebble

Intrusive Igneous Rock

Hardness of 6-7 on the Mohs scale, composed primarily of quartz, feldspar, and mica. Shows a granular, phaneritic texture with speckled pink, gray, and black colors.

Identified More igneous
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Physical properties

Hardness of 6-7 on the Mohs scale, composed primarily of quartz, feldspar, and mica. Shows a granular, phaneritic texture with speckled pink, gray, and black colors.

Formation & geological history

Formed from the slow cooling and crystallization of magma beneath the Earth's surface over millions of years.

Uses & applications

Commonly used in construction, monument building, countertops, and landscaping.

Geological facts

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

Field identification & locations

Can be identified in the field by its interlocking visible mineral crystals, particularly clear/smoky quartz and pink or white feldspar. Found worldwide in continental crust regions.