Cassiterite : SnO2
Quartz : SiO2
As recorded:
San Antonio mine, Viloco, La Paz, Bolivia
60mm x 40mm x 20mm
Lustrous black crystals of cassiterite to 1.0 cm in size showing slight translucency on a quartz crystal matrix. Slight chipping is present to some of the smaller quartz crystals to the right side of the piece, the cassiterite is in very fine condition.
Mineral(s)
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