Chemical Formula:
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Fe+++3O3(PO4) |
Composition:
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Molecular Weight = 310.51 g |
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Oxygen |
36.07 % |
O |
0.00 % |
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0.00 % |
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Phosphorus |
9.98 % |
P |
22.86 % |
P2O5 |
0.00 % |
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Iron |
53.96 % |
Fe |
77.14 % |
Fe2O3 |
0.00 % |
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100.01 % |
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100.00 % |
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Empirical Formula:
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Fe3+3O3(PO4) |
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Environment:
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As nodules about 1 cm in diameter with cavities lined with aggregates up to 1 mm long |
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Locality:
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The Castelnovo mine, Santa Barbara lignite area, Upper Arno River Vally, 30 km SE of Florence, Italy. Link to
MinDat.org
Location Data.
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Name Origin:
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For Giuseppe Grattarola (1905-1988), professor of mineralogy at the University of Florence, Italy |
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Synonym:
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IMA1995-037 |
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