Weloganite

Weloganite is a rare carbonate mineral with formula: Na₂(Sr,Ca)₃Zr(CO₃)₆·3H₂O. It was discovered by Canadian government mineralogist Ann P. Sabina in 1967 and named for Canadian geologist Sir William Edmond Logan (1798–1875). It was first discovered in Francon Quarry, Montreal, Canada and has only been reported from a few localities worldwide.