igneous
Granite Boulder
Phaneritic Felsic Igneous Rock
Hardness of 6 on the Mohs scale, predominantly light gray to pinkish color with speckled appearance, dull to sub-vitreous luster, crystalline granular structure, no distinct cleavage planes, specific gravity around 2.65 to 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, predominantly light gray to pinkish color with speckled appearance, dull to sub-vitreous luster, crystalline granular structure, no distinct cleavage planes, specific gravity around 2.65 to 2.75.
Formation & geological history
Formed through the slow cooling and crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Commonly used in construction, architectural facades, monument building, countertops, and landscaping.
Geological facts
Granite is the most common intrusive igneous rock in the Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Easily identified by its interlocking visible crystals of quartz, feldspar, and mica; found worldwide in continental shields and intrusive mountain roots.
