7uu ((KNEBELITE, PYRRHOTITE, GALENA, QUARTZ)), $10 MINIMUM BID, Blue Bell Mine, Riondel, British Columbia, Canada, 10 x 9 x 8 cm, Cabinet | |
Knebelite is a variety of Fayalite which is rich in Manganese. It is an iron manganese silicate. ex U of U geology dept specimen with label. |