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Description |
This is an extraordinary example of the species, an aesthetic cluster of Thenardite crystals in bipyramidal, matte luster, translucent dark-gray crystals. They range to 4 cm on a side. The Thenardite crystals are accompanied by snow white puffs of the Ulexite. For a large cabinet specimen, the crystals are remarkably pristine and for a gray specimen, it is remarkably aesthetic. These are generally considered best of species material, and good ones are seldom seen on the market today. Ex. Al Ordway. |
