igneous
Mica-rich granitic rock fragment
Likely granite or granitic pegmatite, composed mainly of quartz and feldspar with reflective mica
AI-generated identification · may be incorrectSmall, coarse-grained, pale gray-white fragment with sparkling flakes, likely mica. Typical granite hardness is about 6–7 Mohs; exact composition and properties cannot be confirmed from the image alone.
Identified More igneous →
Explore Mica-rich granitic rock fragment in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Small, coarse-grained, pale gray-white fragment with sparkling flakes, likely mica. Typical granite hardness is about 6–7 Mohs; exact composition and properties cannot be confirmed from the image alone.
Formation & geological history
Formed when silica-rich magma cooled slowly underground, allowing visible mineral grains to grow; such rocks commonly formed during Precambrian and later geologic periods.
Uses & applications
Granite is widely used as building and paving stone, countertops, and decorative aggregate; small fragments are generally collected as field specimens.
Geological facts
The bright sparkles are likely mica flakes reflecting light, a common feature of granitic rocks.
Field identification & locations
Look for interlocking quartz and feldspar grains and shiny mica; common in continental crust and granitic outcrops worldwide. The image is insufficient to distinguish granite from related granitic rocks confidently.
