15dm433 ((CRISTOBALITE, OBSIDIAN)), $10 MINIMUM BID, Sugarloaf Mountain, Coso District, Coso Mts, Inyo County, California, 5 x 3.5 x 3.5 cm, Miniature | |
Here is a spherical ball of Cristobalite in black Obsidian from Sugarloaf Mountain in California. ex Gil Griffin collection |