Calcite with Sphalerite
specimen number:
4871099
location:
Cumberland mine, Smith Co., Tennessee, USA
description:
Glassy gemmy scalenohedral crystals of calcite measuring to 6.5 cm in size across the top of this crystallized black sphalerite matrix. The larger calcite crystal exhibits twinning. Both of the prominent crystals have cleaved areas upon their terminations. These are shown up close in the video.
Size: 18.0 x 11.0 x 7.0 cm (large-cabinet)
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