Crocoite, Adelaide Mine, Zeehan, TAS, Australia
description: 2 1/2" tall. This piece is from The Adelaide Mine which is widely considered to be the "Rolls Royce" of the Tasmanian crocoite mines. The specimen consist of a fine quality group of lustrous and terminated hopper crystals. Most of the crystals of this specimen are hollow inside! Hopper crystals of crocoite grew when the lead chromate crystal lattice on the exterior of the crystal grew at a higher rate than the same crystal lattice on the interior of the crystal.
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