Chemical Formula:
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PbCr+++2(CO3)2(OH)4·H2O |
Composition:
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Molecular Weight = 510.01 g |
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Hydrogen |
1.11 % |
H |
9.89 % |
H2O |
0.00 % |
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Carbon |
4.95 % |
C |
18.12 % |
CO2 |
0.00 % |
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Oxygen |
34.19 % |
O |
0.00 % |
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0.00 % |
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Aluminum |
2.12 % |
Al |
4.00 % |
Al2O3 |
0.00 % |
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Chromium |
15.29 % |
Cr |
22.35 % |
Cr2O3 |
0.00 % |
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Strontium |
1.72 % |
Sr |
2.03 % |
SrO |
0.00 % |
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Lead |
40.63 % |
Pb |
43.76 % |
PbO |
0.00 % |
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|
|
|
100.01 % |
|
100.15 % |
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Empirical Formula:
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PbSr0.1Cr1.5Al0.4(CO3)2.1(OH)3.6·(H2O) |
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Environment:
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Supergene product associated with crocoite and anglesite ores. Cr-analogue of dundasite |
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Locality:
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Red Lead mine in the Zeehan-Dundas region of northwestern Tasmania.. Link to
MinDat.org
Location Data.
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Name Origin:
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Named for amateur mineralogist William Frederick Petterd (1849-1910) |
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Synonym:
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IMA1999-034 |
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