igneous
Pink feldspar-rich granite
Granite, composed chiefly of quartz, potassium feldspar, and plagioclase, with minor mica or other minerals
AI-generated identification · may be incorrectCoarse-grained, pale pink and white with scattered greenish-gray grains; feldspar and quartz are typically Mohs 6–7, with a glassy to pearly luster. The image suggests a rough, weathered fragment; its exact mineral proportions cannot be confirmed visually.
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Physical properties
Coarse-grained, pale pink and white with scattered greenish-gray grains; feldspar and quartz are typically Mohs 6–7, with a glassy to pearly luster. The image suggests a rough, weathered fragment; its exact mineral proportions cannot be confirmed visually.
Formation & geological history
Granite forms when silica-rich magma cools slowly underground, allowing visible crystals to grow. It occurs in ancient continental crust and mountain-root intrusions, with ages ranging from hundreds of millions to billions of years.
Uses & applications
Used as building and paving stone, countertops, monuments, and decorative aggregate; attractive pieces are collected or cut for display.
Geological facts
The pink color commonly comes from potassium feldspar, while quartz is usually translucent or gray. Granite is a rock mixture, not a single mineral.
Field identification & locations
Look for interlocking visible crystals and distinguishable quartz, feldspar, and dark accessory grains; common worldwide in continental regions. The small specimen’s exact identification would require closer inspection or testing.
