Tabular untwinned crystals of colorless transparent armstrongite from the Strange Lake Alkalic Complex, on the Quebec - Labrador boundary, Canada are...
The Cu-K-Na-hydro-hydroxyl-carbonate-chloride, K5 Na2 Cu242+ (CO3)16 Cl3 (OH)20 (H2O)12, has been found on a museum specimen labeled Johanngeorgenstadt,...
lvanite is monoclinic P21/n, with a = 17.808(8), b = 5.132(3), c = 8.881(4)Å, and ß = 92.11(3)0. The density is 2.49 g/cm3 (meas), 2.492 g/cm3 (calc),...
Adamsite-(Y), ideally NaY(CO3)2·6H2O, is a newly identified mineral from the Poudrette quarry, Mont Saint-Hilaire, Quebec. It occurs as groups of colorless to...