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Hulsite Image

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 Hulsite

Large Hulsite Image

Mineral: Hulsite: (Fe++,Mg)2(Fe+++,Sn)O2(BO3)
Comments: Black crystalline granular massive hulsite.
Location: Brooks Range, Seward Peninsula, Alaska, USA.
Scale: See Photo.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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