Weloganite

Weloganite is a rare carbonate mineral with formula: Na₂(Sr,Ca)₃Zr(CO₃)₆·3H₂O.

Name and discovery

It was named for Canadian geologist Sir William Edmond Logan (1798-1875). It was first discovered in Francon Quarry, Montreal, Canada.

Properties

It is usually white, lemon yellow, or amber in color, and can be translucent. It crystallizes in the triclinic system and shows pseudo-hexagonal crystal forms.

Occurrence

It occurs in an igneous carbonatite sill in Montreal, Canada in the Francon Quarry where it was first discovered. It also occurs in the Mont Saint-Hilaire district.

References

* Weloganite
* Mineral Galleries
* Mindat
* Webmineral



List of minerals