Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Phosphoferrite from
Reaphook Hill, Martins Well (Martins Well Station), Pastoral Unincorporated Area, South Australia, Australia


Locality type:Mine
Classification
Species:Phosphoferrite
Formula:(Fe2+,Mn2+)3(PO4)2 · 3H2O
Comments:Given that the description given in the Catalogue of South Australian Minerals - 1983 reads;

"minute clear crystals have been tentatively identified from the Reaphook Hill zinc phosphate deposit."


I would suggest this was gained from a visual identification of what was latter found to be Hillite (2003).
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Phosphoferrite data
Locality Data:Click here to view Reaphook Hill, Martins Well (Martins Well Station), Pastoral Unincorporated Area, South Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:111190
Long-form Identifier:1:3:111190:3
GUID (UUID V4):0
References
 
and/or  
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