Biotite granite 
Minerals in this rock include quartz, plagioclase, biotite, and K-feldspar.
UNC sample
NC-108 a
Rock type
biotite granite
Locality
North Carolina
Biotite granite Minerals in this rock include quartz, plagioclase, biotite, and K-feldspar. |
UNC sample NC-108 a | |
Rock type biotite granite | ||
Locality North Carolina | ||
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