Mineralogy Database

Tinsleyite Phosphosiderite Rockbridgeite Image

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 Tinsleyite, Phosphosiderite, Rockbridgeite

Large Tinsleyite Image

Mineral: Tinsleyite: KAl2(PO4)2(OH)·2(H2O)  
Phosphosiderite: Fe+++PO4·2(H2O)  
Rockbridgeite: (Fe++,Mn)Fe+++4(PO4)3(OH)5
Comments: Violet botryoidal tinsleyite on bluish-purple botryoidal phosphosiderite on dark, massive rockbridgeite.
Location: Bendada, Guarda, Portugal.
Scale: See Photo.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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