Chemical Formula:
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Fe++3Al4(PO4)4(OH)6·2(H2O) |
Composition:
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Molecular Weight = 793.43 g |
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Hydrogen |
1.27 % |
H |
11.35 % |
H2O |
0.00 % |
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Oxygen |
48.40 % |
O |
0.00 % |
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0.00 % |
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Aluminum |
13.60 % |
Al |
25.70 % |
Al2O3 |
0.00 % |
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Phosphorus |
15.62 % |
P |
35.78 % |
P2O5 |
0.00 % |
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Iron |
21.12 % |
Fe |
27.17 % |
FeO |
0.00 % |
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100.01 % |
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100.00 % |
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Empirical Formula:
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Fe2+3Al4(PO4)4(OH)6·2(H2O) |
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Environment:
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Phosphate ironstones. Forms a series with souzalite |
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Locality:
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Rapid Creek and Big Fish area, Yukon Territory, Canada.. Link to
MinDat.org
Location Data.
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Name Origin:
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Named for Donald Herbert Groman (1922-), University of Toronto, Canada |
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Synonym:
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