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RM3722   Cubanite and calcite
CuFe₂S₃
  -  2. Sulfides and sulfosalts

This specimen shows a group of twinned cubanite crystals. They exhibit excellent luster, iridescence, twin faces and striations, and is complete. The rarity of this material makes it highly desirable for collectors. It comes from the classic Canadian locality for this species.

Size: 6.4 x 4.5 x 4.2 cm.
Main crystal: 10 mm.
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