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Specimen # AMAZWH111929
It certainly could be classified as a “cogwheel” piece
This twin is a great example of this material as it shows a fairly “open” twin
good luster and minimal damage
Cassiterite with Tourmaline Amazonite Specimen # AMAZWH111929The Viloco Mine (sometimes called Araca) for many years has stood as one of the top Cassiterite localities in the world. This mine is still active today and bears the unique distinction of producing the only GEM quality (facet grade) Cassiterites from any mine in Bolivia. Considering the millions of tons of tin ore that Bolivia has yielded, the fact that only one mine ever produced transparent Cassiterite is remarkable. This piece is a good, lustrous,
