Tsumeb, Namibia

7.1 x 4.6 x 5 cm
2.8 x 1.8 x 2 in

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Rhombic Calcite crystals have formed a mounded cast with a rounded central void. Lining the surfaces of the void is reddish brown material and bright lime green material. The Calcite crystals have a high glossy luster on the flat faces. The Calcite crystals vary in color due to inclusions and include white, clear, various shades of gray which grade almost to black, dull green and light reddish brown. There are a number of areas where there is unidentified dark gray / black material composed of micro crystals. Also, a few of the Calcite crystals have a reddish brown coating on one side which is likely Hematite. The specimen is in good condition ; with the exception of some minor wear on a few of the crystal edges.