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Weloganite with Dresserite - Francon quarry, Montréal, Québec, Canada (TYPE LOCALITY) (#:MINS8969)

Sharp, bright yellow Weloganite xl up to 9 mm set nicely on matrix with the typical layered prismatic shape with rare white Dresserite crystals in balls up to 3 mm in association set on matrix from the type locality.

Formula :
Na2(Sr,Ca)2Zr[CO3]6 * 3 H2O
System: triclinic Hardness:3½ 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:9 mm
Overall size: 50mm x 47 mm x 32 mm




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

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