Weloganite

weloganite

dawsonite

zirconium

dresserite

Images

Formula:Na2Sr3Zr(CO3)6.3H2O
Hydrated normal carbonate, zirconium mineral, donnayite-(Y) group
Specific gravity: 3.22
Hardness: 3½
Streak: White
Colour: White, lemon-yellow, amber
Solubility: Soluble with effervescence in dilute hydrochloric acid
Environments

Carbonatites

Weloganite occurs in an alkalic sill intruding an Ordovician limestone (Webmin).

Localities

At the type locality, the Francon quarry, Montréal, Quebec, Canada, weloganite occurs where an alkaline sill intrudes limestone. Associated minerals include calcite, quartz, dawsonite and dresserite (Dana, Mindat, HOM).

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