General Sundiusite Information Chemical Formula: |
Pb10(SO4)Cl2O8 |
Composition: |
Molecular Weight = 2,366.96 gm |
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Lead 87.54 % Pb 94.30 % PbO |
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Sulfur 1.35 % S 3.38 % SO3 |
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Chlorine 3.00 % Cl 3.00 % Cl |
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- %
Cl -0.68 % -O=Cl2 |
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Oxygen 8.11 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Pb10(SO4)Cl2O8 |
IMA Status: |
Approved IMA 1980 |
Locality: |
Amerika stope, Langban, Varmland, Sweden. Link to MinDat.org Location Data. |
Name Origin: |
Named for Nils Sundius (1886-1976), Swedish mineralogist. |
Name Pronunciation: |
Sundiusite + Pronunciation |
| | Sundiusite Image
Images:
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Sundiusite Crystallography Axial Ratios: |
a:b:c =6.5247:1:3.1422 |
Cell Dimensions: |
a = 24.67, b = 3.781, c = 11.881, Z = 2; beta = 100.07° V = 1,091.15 Den(Calc)= 7.20 |
Crystal System: |
MonoclinicSpace Group: C 2,Cm,C 2/m |
X Ray Diffraction: |
By Intensity(I/Io): 2.981(1), 2.737(0.8), 3.1(0.6), |
| Physical Properties of Sundiusite Cleavage: |
{100} Perfect |
Color: |
Colorless, White. |
Density: |
7 |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Plumose - "Mica-like" minerals forming aggregates of plume-like forms. |
Hardness: |
3 - Calcite |
Luminescence: |
Non-fluorescent. |
Luster: |
Adamantine |
Streak: |
white |
| Optical Properties of Sundiusite Gladstone-Dale: |
CI meas= -0.151 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.119 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1576,KPDmeas= 0.1621,KC= 0.1409 Ncalc = 1.99 - 2.01 Optical Data: |
Biaxial (+), a=2.1, g=2.17, bire=0.0700 |
| Calculated Properties of Sundiusite Electron Density: |
Bulk Density (Electron Density)=5.88 gm/cc |
note: Specific Gravity of Sundiusite =7.20 gm/cc. Fermion Index: |
Fermion Index = 0.19 |
Boson Index = 0.81 Photoelectric: |
PESundiusite =1,646.66 barns/electron |
U=PESundiusite x rElectron Density=9,677.26 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Sundiusite is Not Radioactive | Sundiusite Classification Dana Class: |
30.01.01.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen |
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(30.01)where (A B)m (XO4)p Zq where m:p>2:1 |
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(30.01.01)Dana Group |
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Strunz Class: |
07.BD.70 07 - SULFATES (SELENATES, TELLURATES) |
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07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O |
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07.BD -With only large cations |
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| Other Sundiusite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
See Also: |
Links to other databases for Sundiusite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Sundiusite using: Visit our Advertisers for Sundiusite : A Bijoux Google Search for SundiusiteAdam's Minerals Google Search for Sundiusite Cape Minerals Google Search for Sundiusite Dakota Matrix Minerals Google Search for Sundiusite Excalibur Mineral Corp. Google Search for Sundiusite Exceptional Minerals Google Search for Sundiusite John Betts Fine Minerals Search for Sundiusite McDougall Minerals Google Search for Sundiusite Mineral News Website Link Rock and Mineral Shows Google Search for Sundiusite Weinrich Minerals, Inc. Google Search for Sundiusite Ask about Sundiusite here : Print or Cut-and-Paste your Sundiusite Specimen Label here :
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