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Samuelsonite Mineral Data
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General Samuelsonite Information
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 Chemical Formula: |
(Ca,Ba)Ca8(Fe++,Mn)4Al2(PO4)10(OH)2 |
| Composition: |
Molecular Weight = 1,653.71 gm |
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Barium 1.66 % Ba 1.85 % BaO |
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Sodium 0.14 % Na 0.19 % Na2O |
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Strontium 0.53 % Sr 0.63 % SrO |
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Calcium 19.63 % Ca 27.47 % CaO |
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Manganese 5.32 % Mn 6.86 % MnO |
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Aluminum 2.45 % Al 4.62 % Al2O3 |
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Iron 8.44 % Fe 10.86 % FeO |
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Phosphorus 18.36 % P 42.06 % P2O5 |
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Hydrogen 0.33 % H 2.94 % H2O |
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Oxygen 43.15 % O |
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______ ______ |
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100.00 % 97.48 % = TOTAL OXIDE |
| Empirical Formula: |
Ba0.2Sr0.1Ca8.1Fe2+2.5Mn2+1.6Na0.1Al1.5(PO4)9.8(OH)5.4 |
| Environment: |
Secondary mineral in a complex zoned granite pegmatite. |
| IMA Status: |
Approved IMA 1975 |
| Locality: |
Palermo #1 mine, near North Groton, Grafton County, New Hampshire, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Peter B. Samuelson (1941-), Rumney New Hampshire, USA. |
| Name Pronunciation: |
Samuelsonite + Pronunciation  |
| Synonym: |
ICSD 100034 |
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PDF 29-154 |
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