igneous
Granite Pebble
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, speckled grey and white color, dull to vitreous luster, phaneritic crystal texture, specific gravity of 2.65-2.75.
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Physical properties
Hardness of 6-7 on Mohs scale, speckled grey and white color, dull to vitreous luster, phaneritic crystal texture, specific gravity of 2.65-2.75.
Formation & geological history
Formed from the slow cooling of magma beneath the Earth's surface, typically originating in continental crust during various geological eras.
Uses & applications
Used in construction, monuments, countertops, and landscaping materials.
Geological facts
Granite is the most common intrusive rock on Earth and forms the core of many major mountain ranges.
Field identification & locations
Identify by its interlocking visible crystals of quartz, feldspar, and mica; commonly found in riverbeds and glacial drift.
