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Whelanite, Tobermorite


Whelanite : Ca5Cu2[(OH)2|CO3|Si6O17] · 4H2O (?), Tobermorite : Ca5Si6(O,OH)18·5H2O

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Locality: Christmas Mine (Red Bird shafts; Inspiration Mine; Hackberry shafts), Christmas, Christmas area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA
Sprays of whelanite fibers on tobermorite from a fracture cutting retrograde skarn. The length of the whelanite fibers are about 2 mm.

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