
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.
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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.