igneous
Pink Granite Pebble
Granite
Hardness of 6-7 on the Mohs scale, pink to reddish color due to potassium feldspar, dull to vitreous luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65-2.75.
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Physical properties
Hardness of 6-7 on the Mohs scale, pink to reddish color due to potassium feldspar, dull to vitreous luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65-2.75.
Formation & geological history
Formed by the slow cooling and crystallization of magma beneath the Earth's surface, typically originating in continental crust over millions of years.
Uses & applications
Used in construction, architectural facades, countertops, monuments, and landscaping gravel.
Geological facts
Granite is the most common intrusive igneous rock in the Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Easily identified by its interlocking visible crystals of quartz, feldspar, and mica. Found worldwide in ancient shield areas and mountainous regions.
