General Clinoungemachite Information Chemical Formula: |
K3Na9Fe+++(SO4)6(OH)3•9(H2O) ? |
Composition: |
Molecular Weight = 1,169.59 gm |
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Potassium 10.03 % K 12.08 % K2O |
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Sodium 17.69 % Na 23.85 % Na2O |
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Iron 4.77 % Fe 6.83 % Fe2O3 |
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Hydrogen 1.81 % H 16.17 % H2O |
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Sulfur 16.45 % S 41.07 % SO3 |
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Oxygen 49.25 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
K3Na9Fe3+(SO4)6(OH)3•9(H2O) |
IMA Status: |
Valid Species (Pre-IMA) 1938 |
Locality: |
Chuquicamata, Chile. Link to MinDat.org Location Data. |
Name Origin: |
Named its crystal form and for Henri-Leon Ungemach (1879-1936), French mineralogist and crystallographer. Secretary of the French Society of Mineralogy from 1919 to 1934. |
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Images:
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| | Clinoungemachite Crystallography Axial Ratios: |
a:b:c =0.4774:1:0.7508 |
Cell Dimensions: |
a = 7.44, b = 15.583, c = 11.7, Z = 2; beta = 110.18° V = 1,273.20 Den(Calc)= 3.05 |
Crystal System: |
MonoclinicSpace Group: (pseudo-HEX-R) |
| Physical Properties of Clinoungemachite Color: |
Colorless, White, Light yellow. |
Diaphaneity: |
Transparent |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Clinoungemachite Optical Data: |
NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.2182) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of Clinoungemachite Electron Density: |
Bulk Density (Electron Density)=3.06 gm/cc |
note: Specific Gravity of Clinoungemachite =3.05 gm/cc. Fermion Index: |
Fermion Index = 0.002497152 |
Boson Index = 0.997502848 Photoelectric: |
PEClinoungemachite = 3.69 barns/electron |
U=PEClinoungemachite x relectron= 11.29 barns/cc. Radioactivity: |
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GRapi = 145.26 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Clinoungemachite - barely detectable | Clinoungemachite Classification Dana Class: |
31.07.03.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen |
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(31.07)where (A+ B++)2 (XO4) Zq·x(H2O) |
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(31.07.03)Dana Group |
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Strunz Class: |
07.DG.10 07 - SULFATES (SELENATES, TELLURATES) |
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07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
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07.DG -With large and medium sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3 |
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| Other Clinoungemachite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Clinoungemachite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Ecole des Mines de Paris 4 - GeoScienceWorld 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info Search for Clinoungemachite using: Visit our Advertisers for Clinoungemachite : A Bijoux Google Search for ClinoungemachiteAdam's Minerals Google Search for Clinoungemachite Cape Minerals Google Search for Clinoungemachite Dakota Matrix Minerals Google Search for Clinoungemachite Excalibur Mineral Corp. Google Search for Clinoungemachite Exceptional Minerals Google Search for Clinoungemachite John Betts Fine Minerals Search for Clinoungemachite McDougall Minerals Google Search for Clinoungemachite Mineral News Website Link Rock and Mineral Shows Google Search for Clinoungemachite Weinrich Minerals, Inc. Google Search for Clinoungemachite Ask about Clinoungemachite here : Print or Cut-and-Paste your Clinoungemachite Specimen Label here :
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