Sahlinite Mineral Data + 
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- 41.1.4.1 Sahlinite Pb14(AsO4)2O9Cl4 C 2/c 2/m
- 41.1.4.2 Kombatite Pb14(VO4)2O9Cl4 C 2/c 2/m
- VII/B.40-20 Georgiadesite Pb4(AsO3)Cl4(OH) P 21/c 2/m
- VII/B.40-30 Sahlinite Pb14(AsO4)2O9Cl4 C 2/c 2/m
- VII/B.40-40 Kombatite Pb14(VO4)2O9Cl4 C 2/c 2/m
General Sahlinite Information |
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 Chemical Formula: |
Pb14(AsO4)2O9Cl4 | ||
| Composition: |
Molecular Weight = 3,464.44 gm | ||
| Arsenic 4.33 % As 6.63 % As2O5 | |||
| Lead 83.73 % Pb 90.20 % PbO | |||
| Chlorine 4.09 % Cl 4.09 % Cl | |||
| - % Cl -0.92 % -O=Cl2 | |||
| Oxygen 7.85 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb14(AsO4)2O9Cl4 | ||
| Environment: |
Found in dolomite rock with other Mn oxides. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1934 | ||
| Locality: |
Langban, Filipstad, Varmland, Sweden. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Carl Andreas Sahlin (1861-1943), chemist and manager of the iron works at Laxa, Sweden. | ||
Sahlinite Image | |||
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Images:
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Sahlinite Crystallography |
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| Axial Ratios: |
a:b:c =0.5627:1:0.4999 | ||
| Cell Dimensions: |
a = 12.704, b = 22.576, c = 11.287, Z = 4; beta = 118.37° V = 2,848.38 Den(Calc)= 8.08 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.946(1), 3.011(1), 2.814(0.9), | ||
Physical Properties of Sahlinite |
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| Cleavage: |
[010] Perfect | ||
| Color: |
Light yellow, Pale sulfur yellow. | ||
| Density: |
8 | ||
| Diaphaniety: |
Translucent | ||
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. | ||
| Habit: |
Scaly - Morphology like fish scales. | ||
| Habit: |
Thin - Flat dimensioned crystals. | ||
| Hardness: |
2-3 - Gypsum-Calcite | ||
| Luster: |
Adamantine | ||
| Streak: |
light yellow | ||
Optical Properties of Sahlinite |
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| Gladstone-Dale: |
CI meas= -1.001 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.982 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2847,KPDmeas= 0.2875,KC= 0.1436 |
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| Optical Data: |
Biaxial (-), a=3.3 | ||
Calculated Properties of Sahlinite |
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| Electron Density: |
relectron=6.61 gm/cc |
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| Fermion Index |
Fermion Index = 0.18508 Boson Index = 0.81492 |
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| Photoelectric: |
PESahlinite =1,573.90 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Sahlinite is Not Radioactive |
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Sahlinite Classification |
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| Dana Class: |
41.1.4.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | ||
| (41.1)where (A++)m (XO4)p Zq, with m:p>4:1 | |||
| (41.1.4)Dana Group | |||
| Strunz Class: |
VII/B.40-30 VII - Phosphates, Arsenates and Vanadates | ||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.40 - Atelestite - Kombatite series | |||
Other Sahlinite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8, AmMin v 89, p 471) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Sahlinite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Sahlinite using: Visit our Advertisers for Sahlinite : Translate Sahlinite Mineral Data : Ask about Sahlinite here : Print or Cut-and-Paste your Sahlinite Specimen Label here :
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