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Heulandite-Ba Image

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Large Heulandite-Ba Image

Mineral: Heulandite-Ba: (Ba,Ca,K,Na,Sr)5Al9Si27O72·22(H2O)
Comments: BSE image of a heulandite crystal. Darker areas are enriched in Ca and Sr, while lighter areas are enriched in Ba. (Eur. J. Mineral, v17:143).
Location: Northern Ravnås silver prospect, southern Vinoren, Flesberg community, Buskerud county, Norway.
Scale: Scale bar is 0.1 mm.
Copyright: © Eur. J. Mineral
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