igneous
Granite
Felsic intrusive igneous rock
Hardness: 6 on Mohs scale, Color: Varies widely (pink, white, grey, black) due to mineral composition, Luster: Vitreous to dull, Crystal structure: Granular and phaneritic (coarse-grained), Specific gravity: 2.65 - 2.75
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Physical properties
Hardness: 6 on Mohs scale, Color: Varies widely (pink, white, grey, black) due to mineral composition, Luster: Vitreous to dull, Crystal structure: Granular and phaneritic (coarse-grained), Specific gravity: 2.65 - 2.75
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface over millions of years. Typically found in continental crust.
Uses & applications
Widely used in construction, monuments, countertops, flooring, and decorative stone due to its durability and aesthetic appeal.
Geological facts
Granite makes up a major part of the Earth's continental crust and is one of the most common rocks used in human architecture throughout history.
Field identification & locations
Easily identified by its visibly speckled or crystalline appearance containing quartz, feldspar, and mica. Found globally in mountainous regions and shield areas.
