Fluoro-richterite   (NOT fluorichterite or any other misspelling)      Wilberforce, Ontario, Canada.  Ex. Michael Walter collection.  Collected by Michael Walter in 1990's.  Figured Specimen, Rock and Gem Magazine, October 2008, p. 72-75.  This small cabinet piece measures 7.7 x 7 x 5.5 cm overall with a large central 6 plus cm doubly-terminated crystals.  This is a natural specimen in calcite with numerous other fine fluoro-richterite crystals (one twinned) numerous doubly-terminated.  Some very minor chipping but overall in fantastic shape for a group of crystals broken out of massive calcite.  Very fine, complex terminations.  Great piece.  $345