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ATHENA

MINERALOGY

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Mineral: WHEWELLITE
Formula: Ca(C2O4).H2O
Crystal System: Monoclinic
IMA Number: 1967 s.p.
References: AM 53 (1968), 455; AM 65 (1980), 327; MM 69 (2005), 77; HB5 (2003); AM 90 (2005), 1469
Type Locality: Havre, Montana, USA (?)
Whewellite, heart shaped twins, 1.7mm
Condorcet; Drôme, France, F - Photo & Coll. R. Martin
See also: athena.unige.ch -> mineral pictures

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