Carletonite : KNa4Ca4Si8O18(CO3)4(OH,F)·H2O
As recorded:
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
0.8cm x 0.5cm x 0.5cm
Photo added to mindat.org
“SUPER crystal, complete all around on all sides except bottom! My personal favorite of the thumbs here. 0.8 x 0.5 x 0.5 cm
”
Robert Lavinsky - 30th November 2000
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