| |
 |
Ardaite Mineral Data
|
|
|
General Ardaite Information
|
 Chemical Formula: |
Pb19Sb13S35Cl7 |
| Composition: |
Molecular Weight = 6,890.03 gm |
| |
Antimony 22.97 % Sb |
| |
Lead 57.14 % Pb |
| |
Sulfur 16.29 % S |
| |
Chlorine 3.60 % Cl |
| |
______ |
| |
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  |
| |
Ardaite Image |
|
Images:
|
|
Ardaite
Comments: B&W image of 1. Ardaite; 2. Chlorine-containing robinsonite; 3. Nadorite; 4. Anglesite; 5. Galena.
Location: Madjarovo polymetallic ore deposit, Bulgaria. (MinMag, v 46:340).
Scale: Magnification 120 x.
© Mineralogical Magazine |
|
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: |
Monoclinic Space 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 |
Standardized Intensity (100%) Reflection Spectra of Ardaite in Air
| λ |
R1 |
R2 |
 |
∑ R1(λ) |
∑ R2(λ) |
| 440 nm |
31.30 |
33.20 |
|
|
|
| 480 nm |
32.10 |
34.40 |
|
| 520 nm |
32.30 |
35.10 |
|
| 580 nm |
31.70 |
34.70 |
|
| 620 nm |
31.10 |
33.90 |
|
| 660 nm |
30.60 |
32.80 |
|
| 700 nm |
30.30 |
31.80 |
|
Calculated Relative Intensity Colors of Ardaite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
290% |
| R1 |
|
|
|
|
|
|
|
|
|
|
|
|
| R2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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 |
| |
(02.15)(Chlorides) |
| |
(02.15.01)Dana Group |
| |
02.15.01.01 Ardaite Pb19Sb13S35Cl7 Unk Mono |
| Strunz Class: |
02.LB.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
| |
02.L - Unclassified Sulfosalts |
| |
02.LB -With essential Pb |
| |
02.LB.20 Ardaite Pb19Sb13S35Cl7 Unk Mono |
| |
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:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Ardaite :
Ask about Ardaite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espaņol
Print or Cut-and-Paste your Ardaite Specimen Label here :
|
Ardaite
Pb19Sb13S35Cl7
Dana No: 02.15.01.01 Strunz No: 02.LB.20
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.