An excellent miniature for helvite with lustrous chocolate brown crystals to 1.5 cm in size stacked aesthetically on a small amount of matrix with minor quartz. Shows all around; on the back the crystals are frosty and not lustrous. From the front side the crystals are extremely lustrous and bright. In excellent condition as seen. Measures 5.0 x 4.5 x 2.5 cm in size overall. Ref: The Mineralogical Record 43, 529-563.
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