Rock Identifier
Granite Pebble (Intrusive Igneous Rock) — igneous
igneous

Granite Pebble

Intrusive Igneous Rock

Hardness of 6-7 on the Mohs scale, speckled appearance with pink, white, gray, and black minerals, dull to vitreous luster, phaneritic crystal structure, specific gravity around 2.65-2.75.

Identified More igneous
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Physical properties

Hardness of 6-7 on the Mohs scale, speckled appearance with pink, white, gray, and black minerals, dull to vitreous luster, phaneritic crystal structure, specific gravity around 2.65-2.75.

Formation & geological history

Formed from the slow cooling and solidification of magma deep beneath the Earth's crust, typically over millions of years.

Uses & applications

Used in construction, monuments, countertops, paving, and landscaping.

Geological facts

Granite is the most common rock of the Earth's continental crust and is exceptionally durable against weathering.

Field identification & locations

Easily identified by its distinct interlocking mineral grains of quartz, feldspar, and mica. Found worldwide in mountainous regions and glacial deposits.