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Selenite Crystal "Coral Shelf" Cabinet Mineral Collectors dream! Gypsum Variant. Measures 6"x3"x4"weighs 1.46LB. Karat Weight: 3320 Many crystal Terminations. Most often transparent and colorless: it is named after Greek σεληνη= "the moon". if selenite crystals show translucency, opacity, and/or color, it is caused by the presence of other minerals including druse (a coating of small crystal points) druse is the crust of tiny, minute, or micro crystals that form or fuse either within or upon the surface of a rock vug, geode, or another crystal. will frequently form "rams horns", "fishtail", "arrow/spear-head", and "swallowtail" twins. Selenite crystals can also exhibit "arrow/spear-head" as well as "duck-bill" twins. Both selenite crystals and gypsum flowers sometimes form quite densely in acicular mats or nets; and can be quite brittle and fragile. Gypsum flowers are usually attached to a matrix (can be gypsum) or base rock.
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