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MD-196020
Cassiterite, Quartz, Siderite
Viloco Mine (Araca mine), Loayza Province, La Paz Department, Bolivia
Miniature, 4.3 x 3.0 cm
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The great tin mines at Viloco (sometimes called Araca) have produced some of the most magnificent Cassiterite specimens extant. This particular specimen hosts several fine, sharp, highly lustrous, black-brown cyclic twinned crystals with gem Quartz crystals and tan Siderite "rosettes".

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