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

Granite Pebble

Intrusive Igneous Rock

Hardness of 6 on the Mohs scale, granular phaneritic texture, variable colors including white, pink, grey, and black due to quartz, feldspar, and biotite mica composition. Luster ranges from dull to vitreous.

Identified More igneous
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Physical properties

Hardness of 6 on the Mohs scale, granular phaneritic texture, variable colors including white, pink, grey, and black due to quartz, feldspar, and biotite mica composition. Luster ranges from dull to vitreous.

Formation & geological history

Formed from the slow cooling and crystallization of magma beneath the Earth's surface over millions of years.

Uses & applications

Used in construction, monuments, countertops, paving, and as decorative landscape or tumbling stones.

Geological facts

Granite is the most common intrusive rock on Earth and forms the core of many major mountain ranges.

Field identification & locations

Easily identified by its visible interlocking mineral grains (quartz, feldspar, mica). Found globally in continental shields and mountain belts.