Rock Identifier
Granite (Granite) — igneous
igneous

Granite

Granite

AI-generated identification · may be incorrect

Hardness of 6-7 on the Mohs scale, speckled appearance with white, gray, black, and sometimes pinkish hues. Phaneritic (coarse-grained) texture, containing visible crystals of quartz, feldspar, and mica.

Identified More igneous
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Physical properties

Hardness of 6-7 on the Mohs scale, speckled appearance with white, gray, black, and sometimes pinkish hues. Phaneritic (coarse-grained) texture, containing visible crystals of quartz, feldspar, and mica.

Formation & geological history

Formed from the slow crystallization of magma below Earth's surface. Found worldwide, often forming the core of mountain ranges.

Uses & applications

Widely used in construction, monuments, countertops, paving, and decorative items due to its durability and aesthetic appeal.

Geological facts

Granite is one of the most common rocks in the Earth's continental crust. Its name comes from the Latin word 'granum', meaning grain, referencing its coarse-grained structure.

Field identification & locations

Identified by its speckled, crystalline appearance and hardness. Commonly found in mountainous regions and areas with ancient continental crust. Collectors look for unique color variations or large, distinct mineral crystals.