 Fluorite penetration twin, 17 mm group. Icositetrahedron, dodecahedron and cube faces visible. Smoky Hawk Mine, Colorado, USA.
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 15/30 one half of famous cricketing twins
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 Brad Radke, Minn.Twins Pitcher
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 Can trees be twins? II (DSCN5979.jpg)
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 135) Millie and the twins
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