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RM3705   Thorianite
ThO₂
  -  4. Oxides and hydroxides

Small cubic crystal of thorianite, bright and well defined. Perhaps the most interesting aspect of the specimen is that it comes from the type locality for the species, in Sri Lanka. From the C. Prieto collection (Madrid).

Size: 3.1 x 2.3 x 2 mm.
Col. Carlos Prieto (Madrid).
Presents radioactive activity ☢.
Reserved