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Heulandite-Ca Mordenite Image

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 Heulandite-Ca, Mordenite

Large Heulandite-Ca Image

Mineral: Heulandite-Ca: (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)  
Mordenite: (Ca,Na2,K2)Al2Si10O24·7(H2O)
Comments: Pink heulandite crystals up to 15 mm in fibrous white mordenite matrix.
Location: Rats Nest Claim, Challis, Custer Co., Idaho, USA.
Scale: 6x6x4 cm.
Copyright: © John Betts - Fine Minerals
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