igneous
Pink granite
Felsic intrusive igneous rock; mainly quartz, potassium feldspar, plagioclase, and minor mica
AI-generated identification · may be incorrectCoarse-grained, mottled salmon-pink, white, and gray appearance with a glassy-to-pearly luster. Quartz and feldspar are about Mohs 6–7; granite has no dominant cleavage and is dense, typically ~2.6–2.7 g/cm³.
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Physical properties
Coarse-grained, mottled salmon-pink, white, and gray appearance with a glassy-to-pearly luster. Quartz and feldspar are about Mohs 6–7; granite has no dominant cleavage and is dense, typically ~2.6–2.7 g/cm³.
Formation & geological history
Slow cooling of silica-rich magma deep within continental crust produced interlocking crystals, commonly during Precambrian to Phanerozoic plutonic events. The specimen appears naturally weathered or broken.
Uses & applications
Widely used as building stone, countertops, monuments, paving, aggregate, and landscaping material; this hand specimen has modest collecting value.
Geological facts
The pink color generally comes from potassium feldspar, while translucent gray areas are quartz. Its visible interlocking texture is characteristic of intrusive rather than volcanic rock.
Field identification & locations
Identify it by coarse crystals visible without magnification, abundant pink feldspar, gray glassy quartz, and possible black mica. Common worldwide, especially in continental shields and batholiths; estimated value is $2–$15 for a common hand specimen, or up to about $20–$40 if attractive and labeled.
