
igneous
Granite
Intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, speckled pink, white, and black colors, dull to sub-crystalline luster, and interlocking crystalline structure.
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Physical properties
Hardness of 6 on the Mohs scale, speckled pink, white, and black colors, dull to sub-crystalline luster, and interlocking crystalline structure.
Formation & geological history
Formed from the slow cooling of silica-rich magma deep beneath the Earth's surface over millions of years.
Uses & applications
Widely used in commercial construction, kitchen countertops, monuments, and architectural facings.
Geological facts
Granite is the most common plutonic rock in the Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Easily identified by its distinct salt-and-pepper or pink-mottled interlocking mineral grains of quartz, feldspar, and mica.