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RM3680   Fluoro-richterite, calcite
{Na}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂
  -  9. Silicates

A sculptural and classic specimen of fluororichterite from the well-known Canadian locality of Wilberforce. The finest specimens of fluororichterite in the world have been collected from this area. This is a rare species of the amphibole group. In sharp contrast to the massive calcite matrix, we can see several distinct, doubly terminated crystals. The calcite exhibits a pinkish fluorescence. An excellent and striking specimen from this classic locality.

Size: 6.3 x 4.9 x 4.2 cm.
Main crystal: 2.7 cm.
Reserved