General Ardaite Information Chemical Formula: |
Pb19Sb13S35Cl7 |
Composition: |
Molecular Weight = 6,890.03 gm |
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Antimony 22.97 % Sb |
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Lead 57.14 % Pb |
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Sulfur 16.29 % S |
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Chlorine 3.60 % Cl |
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______ |
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100.00 % |
Empirical Formula: |
Pb19Sb13S35Cl7 |
Environment: |
In polymetallic ore deposits. |
IMA Status: |
Approved IMA 1980 |
Locality: |
Madjarovo, Arda River, Bulgaria. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Ardaite |
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Images:
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Ardaite Crystallography Axial Ratios: |
a:b:c =1.0464:1:0.3813 |
Cell Dimensions: |
a = 22.09, b = 21.11, c = 8.05, Z = 2; beta = 103.02° V = 3,657.37 Den(Calc)= 6.26 |
Crystal System: |
MonoclinicSpace Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 2(1), 3.38(1), 3.4(1), |
| Physical Properties of Ardaite Color: |
Green gray. |
Diaphaneity: |
Opaque |
Habit: |
Acicular - Occurs as needle-like crystals. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
2.5-3 - Finger Nail-Calcite |
Luster: |
Metallic |
| Optical Properties of Ardaite RL Anisotrophism: |
Distinct. |
RL Pleochroism: |
Distinct. |
Reflectivity |
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| Calculated Properties of Ardaite Electron Density: |
Bulk Density (Electron Density)=5.27 gm/cc |
note: Specific Gravity of Ardaite =6.26 gm/cc. Fermion Index: |
Fermion Index = 0.12 |
Boson Index = 0.88 Photoelectric: |
PEArdaite =1,123.48 barns/electron |
U=PEArdaite x rElectron Density=5,920.32 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ardaite is Not Radioactive | Ardaite Classification Dana Class: |
02.15.01.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.15)(Chlorides) |
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(02.15.01)Dana Group |
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Strunz Class: |
02.LB.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.L - Unclassified Sulfosalts |
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02.LB -With essential Pb |
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| Other Ardaite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Ardaite : |
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 Ardaite using: Visit our Advertisers for Ardaite : A Bijoux Google Search for ArdaiteAdam's Minerals Google Search for Ardaite Cape Minerals Google Search for Ardaite Dakota Matrix Minerals Google Search for Ardaite Excalibur Mineral Corp. Google Search for Ardaite Exceptional Minerals Google Search for Ardaite John Betts Fine Minerals Search for Ardaite McDougall Minerals Google Search for Ardaite Mineral News Website Link Rock and Mineral Shows Google Search for Ardaite Weinrich Minerals, Inc. Google Search for Ardaite Ask about Ardaite here : Print or Cut-and-Paste your Ardaite Specimen Label here :
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