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Pharmacolite: CaHAsO4·2(H2O)
Comments: Pink, fuzzy ball of pharmacolite crystals on matrix. Location: Schneeberg, Saxony, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Pharmacolite: CaHAsO4·2(H2O) Haidingerite: Ca(AsO3OH)·(H2O)
Comments: Translucent colorless crystalline spherical aggregate of haidingerite with white pharmacolite. Location: Jachymov, Zapadocesky, Czech Republic. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species