igneous
Granite fragment
Granite, a coarse-grained felsic intrusive igneous rock composed mainly of quartz, feldspar, and mica
AI-generated identification · may be incorrectSmall, rough brown-and-pink fragment with visible dark mineral flecks; likely Mohs 6–7, vitreous to dull, with interlocking crystals and no obvious cleavage. The image is too small to confirm its mineral composition or identify the exact rock confidently.
Identified More igneous →
Explore Granite fragment in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Small, rough brown-and-pink fragment with visible dark mineral flecks; likely Mohs 6–7, vitreous to dull, with interlocking crystals and no obvious cleavage. The image is too small to confirm its mineral composition or identify the exact rock confidently.
Formation & geological history
Granite forms when silica-rich magma cools slowly underground, allowing crystals to grow; its age depends on the source and cannot be determined from the image.
Uses & applications
Granite is widely used as dimension stone, countertops, paving, and aggregate; this tiny fragment has little practical or jewelry value.
Geological facts
Granite is a rock rather than a single mineral, and its appearance varies with feldspar, quartz, and mica proportions.
Field identification & locations
A speckled, interlocking texture is typical of granite; examine a fresh surface with a hand lens to distinguish quartz and feldspar. Similar rocks occur on continents worldwide.
