Monday, November 19, 2018

Weloganite



Weloganite
Discovered in 1967 by Ann P. Sabina.  It is a rare mineral.  The type location and the "came from" moniker are the same:  Franco Quarry Montreal, Canada.

Weloganite

It was named after Sir William Edmond Logan of Montreal who lived during the 19th century.  He was the first director of the Geological Survey from 1842 - 1875.

Weloganite
It's chemical formula is Na2(Sr,Ca)3Zr(CO3)6·3H2O  There are very few places through out the world other than Montreal where it is found.

Weloganite
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