Weloganite, Francon Quarry, Montreal, Quebec, Canada

Weloganite, a rare carbonate, is named after the founder and first director of the Geological Survey of Canada, Sir William Edmund Logan (W. E. Logan). Self-collected by Mike Menzies in 1980, the piece has one larger weloganite and another smaller one. The larger, stout crystal is 1.5 cm wide x 1.7 cm long. Scattered alongside the weloganites are micro quartz and calcite crystals. Nice fluorescence under UV light. Ex Mike Menzies collection. From the type-locality, a carbonatite sill, at "The Alcove", Francon Quarry, Montreal, Quebec, Canada. Dimensions: 4 x 4 x 7 cm