Vivianite
Vivianite
Out of context: Reply #7
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- JazX0
Just to keep up with my scientific prickness:
Fe++3(PO4)2·8(H2O)
Common secondary mineral in the gossan of metallic ore deposits, pegmatites, sedimentary authigenic mineralization in association with organic materials.
Molecular Weight = 501.61 gm
http://www.webmineral.com/specim…
Lovely, in crystalline structure