SOLD
PAS-01
Cassiterite (Iridescent)
Llallagua, Bustillos Province, Potosi Department, Bolivia
Cabinet, 10.4 x 6.2 x 5.6 cm
Ex. Philadelphia Academy of Natural Sciences
SOLD
A remarkably odd cassiterite with rainbow iridescence on the crystal surfaces, which sit protected inside a 2.5 cm vug in matrix of ore material. Very unusual, I haven't seen the effect before in this species.

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