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General Yedlinite Information |
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 Chemical Formula: |
Pb6CrCl6(O,OH)8 | ||
| Composition: |
Molecular Weight = 1,637.92 gm | ||
| Chromium 3.17 % Cr 5.13 % CrO2 | |||
| Hydrogen 0.12 % H 1.10 % H2O | |||
| Lead 75.90 % Pb 81.76 % PbO | |||
| Chlorine 12.99 % Cl 12.99 % Cl | |||
| - % Cl -2.93 % -O=Cl2 | |||
| Oxygen 7.81 % O | |||
| ______ ______ | |||
| 100.00 % 98.05 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb6CrCl6O6(OH)2 | ||
| IMA Status: |
Approved IMA 1974 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Name Origin: |
Named of Leo Neal Yedlin (1908-1977), micromount mineral collector of New Haven, Connecticut, USA. | ||
| Name Pronunciation: |
Yedlinite + Pronunciation  |
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| Synonym: |
ICSD 6075 | ||
| PDF 27-269 | |||
Yedlinite Image | |||
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Images:
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Yedlinite Crystallography |
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| Axial Ratios: |
a:c = 1:0.76321 | ||
| Cell Dimensions: |
a = 12.868, c = 9.821, Z = 3; V = 1,408.34 Den(Calc)= 5.79 | ||
| Crystal System: |
Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.952(1), 2.622(0.68), 4.506(0.65), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Yedlinite |
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| Cleavage: |
{1120} Distinct | ||
| Color: |
Red violet. | ||
| Density: |
5.85 | ||
| Diaphaneity: |
Transparent to Translucent | ||
| Fracture: |
Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite). | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Yedlinite |
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| Gladstone-Dale: |
CI meas= -0.074 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= -0.086 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1886,KPDmeas= 0.1867,KC= 0.1737 Ncalc = 2.01 - 2.02 |
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| Optical Data: |
Uniaxial (-), e=2.059, w=2.125, bire=0.0660. | ||
Calculated Properties of Yedlinite |
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| Electron Density: |
Bulk Density (Electron Density)=4.89 gm/cc note: Specific Gravity of Yedlinite =5.85 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.17 Boson Index = 0.83 |
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| Photoelectric: |
PEYedlinite =1,396.88 barns/electron U=PEYedlinite x rElectron Density=6,825.05 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Yedlinite is Not Radioactive |
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Yedlinite Classification |
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| Dana Class: |
10.06.03.01 (10)Oxyhalides and Hydroxyhalides | ||
| (10.06)where Am Bn (O,OH)p Xq | |||
| (10.06.03)Dana Group | |||
| Strunz Class: |
03.DB.50 03 - HALIDES | ||
| 03.D - Oxyhalides, Hydroxyhalides and Related Double Halides | |||
| 03.DB -With Pb, Cu, etc. | |||
Other Yedlinite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Yedlinite : 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 15 - WWW-MINCRYST Search for Yedlinite using: Visit our Advertisers for Yedlinite : A Bijoux Google Search for YedliniteAdam's Minerals Google Search for Yedlinite Cape Minerals Google Search for Yedlinite Dakota Matrix Minerals Google Search for Yedlinite Excalibur Mineral Corp. Google Search for Yedlinite Exceptional Minerals Google Search for Yedlinite John Betts Fine Minerals Search for Yedlinite McDougall Minerals Google Search for Yedlinite Mineral News Website Link Rock and Mineral Shows Google Search for Yedlinite Weinrich Minerals, Inc. Google Search for Yedlinite Ask about Yedlinite here : Print or Cut-and-Paste your Yedlinite Specimen Label here :
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