
igneous
Granite Pebble
Granite
AI-generated identification · may be incorrectPinkish/orange feldspar, dark minerals (likely biotite or hornblende), quartz. Hardness ~6-7. Grainy texture, polished by water.
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Physical properties
Pinkish/orange feldspar, dark minerals (likely biotite or hornblende), quartz. Hardness ~6-7. Grainy texture, polished by water.
Formation & geological history
Formed from slow cooling of magma deep underground, later exposed, weathered, and rounded by water transport in a river or beach environment.
Uses & applications
Commonly used in landscaping, as aggregate, and collected by rockhounders.
Geological facts
Granite makes up a significant portion of the Earth's continental crust.
Field identification & locations
Identified by its visible interlocking crystals of feldspar, quartz, and mica/hornblende. Commonly found in riverbeds and on beaches near granitic sources.