13-04-2026, 22:35
Cancrinite Pegmatite: Yellow Cancrinite with black Biotite, Nepheline and Alkali Feldspar. Litchfield, Maine.
Photo by W. Cordua, From Wisconsin Geological and Natural History Survey.
Pegmatite Cancrinite
https://www.alexstrekeisen.it/english/pl...matite.php
