Mistake Mine, Yavapai County, Arizona, USA
Miniature, 4.1 x 2.9 x 1.3 cm
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A cluster of equant, splendent, black, ramsdellite crystals, to .5 cm across, is emplaced on a small amount of matrix. A few of the crystals are also doubly terminated. In addition, there is a thin coating of what might be gypsum, on some of the crystals. Very 3-dimensional cluster atop!