igneous
Granite
Granite
AI-generated identification · may be incorrectHardness: 6-7 (Mohs), Color: Speckled with white, gray, black, and sometimes pink, Luster: Dull to somewhat shiny depending on weathering, Crystal structure: Coarse-grained (phaneritic), Specific gravity: 2.6-2.7
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Physical properties
Hardness: 6-7 (Mohs), Color: Speckled with white, gray, black, and sometimes pink, Luster: Dull to somewhat shiny depending on weathering, Crystal structure: Coarse-grained (phaneritic), Specific gravity: 2.6-2.7
Formation & geological history
Formed from the slow cooling of magma deep underground (intrusive igneous).
Uses & applications
Widely used in construction for countertops, flooring, monuments, and as crushed stone for roads.
Geological facts
Granite makes up a large portion of the Earth's continental crust and is famous for its durability.
Field identification & locations
Identified by its visible crystalline structure and speckled appearance. Common worldwide in continental shields and mountain ranges. Great for landscaping.
