9iddb.ir ((Brown COLEMANITE)), $20 MINIMUM BID, Boron Open Pit Mine, Boron, Kerns County, California, 11 x 8.5x 5 cm, Cabinet | |
Here is an interesting specimen of a nodule from Boron that did not look like anything. Breaking it open removing both sides exposes a hollow interior lined with brown sparkling crystals of Colemanite. This was the only specimen of this odd form |