622 ts ((COLEMANITE)), $10 MINIMUM BID, White Monster aka Sigma Mine, Furnace Creek District, Death Valley Nat'l Park, Inyo County, California, 10.5 x 9.5 x 4.5 cm, Miniature | |
Here are Colemanite crystals with a different form. They are large crystals with a brown edge highlight. ex Jim Minette collection. |