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RM3774   Fluoro-richterite
{Na}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂
  -  9. Silicates

A classic fluoro-richterite specimen from this well-known Canadian locality in Wilberforce. The world's finest fluoro-richterite specimens have been collected in this area. It is a rare species of the amphibole group. On the white calcite matrix, offering a sharp contrast, several well-defined crystals can be seen. Analyzed specimen. Adquired by H. Lasch in 1971.

Size: 4.7 x 4.2 x 1.7 cm.
Main crystal: 4.3 cm.
Found in 1971.
Col. H. Lasch (DE), #1952a
Analyzed specimen with report
55 €