Chemical Formula:
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Fe++Fe+++4(PO4)4(OH)2·2(H2O) |
Composition:
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Molecular Weight = 729.17 g |
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Hydrogen |
0.83 % |
H |
7.41 % |
H2O |
0.00 % |
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Oxygen |
43.88 % |
O |
0.00 % |
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0.00 % |
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Phosphorus |
16.99 % |
P |
38.93 % |
P2O5 |
0.00 % |
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Iron |
38.30 % |
Fe |
9.85 % |
FeO |
43.80 % |
Fe2O3
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100.00 % |
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56.19 % |
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43.80 % |
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Empirical Formula:
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Fe2+Fe3+4(PO4)4(OH)2·2(H2O) |
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Environment:
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In a pegmatite |
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Locality:
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Sandamab, near Usakos, Namibia.. Link to
MinDat.org
Location Data.
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Name Origin:
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Named by Paul Keller for his wife, Gini Keller |
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Synonym:
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