Igneous
Granite
Granite
Hardness: 6-7, Color: variable (pink, white, gray, black), Luster: dull to glassy, Crystal structure: phaneritic (large crystals), Cleavage: none (fractures irregularly)
Identified More igneous →
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Physical properties
Hardness: 6-7, Color: variable (pink, white, gray, black), Luster: dull to glassy, Crystal structure: phaneritic (large crystals), Cleavage: none (fractures irregularly)
Formation & geological history
Formed from slow cooling of magma deep underground (intrusive igneous).
Uses & applications
Common building material, countertops, monuments, landscaping.
Geological facts
Granite makes up the core of many mountain ranges and is a major component of the continental crust.
Field identification & locations
Identify by its coarse-grained texture and mix of light (quartz, feldspar) and dark (biotite, hornblende) minerals. Widely found globally.
