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Weloganite - Francon quarry, Montréal, Québec, Canada (TYPE LOCALITY) (#:MINS8477)

Sharp, bright yellow Weloganite xl 8 mm tall set nicely on matrix with the typical layered prismatic shape. Nice sample of this rare specie, from the type locality.

Formula :
Na2(Sr,Ca)2Zr[CO3]6 * 3 H2O

System: triclinic Hardness:Rarity:rare
Strunz id:V/D.4-30 - NITRATES, CARBONATES and BORATES
Name origin: Named after Sir William Edmond Logan (1798-1875), first director of the Geological Survey of Canada (1842-1870).

Specimen weight:50 gr.
Crystal size:8 mm tall
Overall size: 40mm x 23 mm x 43 mm

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Weloganite - Francon quarry, Montréal, Québec, Canada (TYPE LOCALITY)

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