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MD-199616
Boltwoodite, Calcite
Small Cabinet, 9.2 x 7.1 x 5.7 cm
Rossing Mine, Arandis, Swakopmund District, Erongo Region, Namibia
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Boltwoodite is a rare potassium sodium uranyl silicate. This fine specimen features a well-placed, 3.8 cm vug highlighted with radial clusters of super-bright, lemon-yellow boltwoodite needles. The vug is lined with smoky-brown calcite scalenohedrons and the boltwoodite clusters surround a 1.7 cm, lustrous, colorless calcite scalenohedron. Ex. Rob Smith Collection.