Chemical Formula:
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Pb9As4S15 |
Composition:
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Molecular Weight = 2645.48 g |
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Sulfur |
18.18 % |
S |
0.00 % |
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0.00 % |
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Arsenic |
11.33 % |
As |
0.00 % |
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0.00 % |
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Lead |
70.49 % |
Pb |
0.00 % |
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0.00 % |
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100.00 % |
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Empirical Formula:
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Pb9As4S15 |
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Environment:
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In vugs in hydrothermal copper ores |
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Locality:
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In the Excelsior mine, Cerro de Pasco, Peru, in large crystals.. Link to
MinDat.org
Location Data.
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Name Origin:
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For Louis Carly Graton (1880-1970), Professor of Economic Geology, Harvard University, Cambridge, Massachusetts, USA |
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Synonym:
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