9iddb.nr ((COLEMANITE)), $15 MINIMUM BID, White Monster Mine aka Sigma Mine, Ryan, Furnace Creek Mining District, Inyo Co., California, 12 x 6 x 3 cm, Cabinet | |
White Monster Mine aka Sigma Mine, Ryan, Furnace Creek Mining District, Inyo Co., California, 12 x 6 x 3 cm, Cabinet, Undamaged amber brown crystal tips on razor sharp crystals of Colemanite from the Furnace Creek Mining District. Back side also have crystal tips protruding from the matrix. The small crack shown is tight and only on the very top layer and not on the bottom layers. ex Jim Minette collection |