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The Viloco Mine (sometimes called Araca) for many years has stood as one of the top Cassiterite localities in the world
The piece is undamaged on all sides
Specimen # BROOK31925
Specimen # BOL711B273
Kolwezite with Cobaltoan Calcite Smoky Quartz The Viloco Mine (sometimes calledKolwezite is a very rare copper cobalt hydroxyl carbonate that is found in less than 10 localities in the world. The species was first described in 1980 from the Musonoi Mine, in the Democratic Republic of Congo. This piece just happens to be from the type locality and is the only piece of this material that I've ever had to offer. Obviously, it gets its name from the Kolwezi District in which it was first discovered. The specimen hosts beautiful
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