Rapakivi Granite - a hornblende-biotite granite containing large round crystals of orthoclase each with a rim of oligoclase (a variety of plagioclase)

- Image ID: TR983T
Rapakivi Granite - a hornblende-biotite granite containing large round crystals of orthoclase each with a rim of oligoclase (a variety of plagioclase)
Fossil & Rock Stock Photos / Alamy Stock Photo
Image ID: TR983T