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Semseyite Mineral Data
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General Semseyite Information
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 Chemical Formula: |
Pb9Sb8S21 |
| Composition: |
Molecular Weight = 3,512.19 gm |
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Antimony 27.73 % Sb |
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Lead 53.10 % Pb |
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Sulfur 19.17 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Pb9Sb8S21 |
| Environment: |
In hydrothermal veins formed at moderate temperature. |
| IMA Status: |
Valid Species (Pre-IMA) 1881 |
| Locality: |
Felsobanya (Baia Sprie), Rumania. Link to MinDat.org Location Data. |
| Name Origin: |
For Andor von Semsey (1833-1923), a Hungarian nobleman, who was also an amateur mineralogist. |
| Name Pronunciation: |
Semseyite + Pronunciation  |
| Synonym: |
ICSD 38838 |
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PDF 22-1130 |
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