|
| Home | Crystal | jmol | jPOWD | Chem | X Ray | Dana | Strunz | Properties | A to Z | Images | Share | News | Help | About |
General Lanarkite Information |
|||
 Chemical Formula: |
Pb2(SO4)O | ||
| Composition: |
Molecular Weight = 526.46 gm | ||
| Lead 78.71 % Pb 84.79 % PbO | |||
| Sulfur 6.09 % S 15.21 % SO3 | |||
| Oxygen 15.20 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb2(SO4)O | ||
| Environment: |
Secondary mineral developed in galena ores. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1832 | ||
| Locality: |
Susanna Mine, Leadhills, Lanarkshire, Scotland. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality | ||
| Name Pronunciation: |
Lanarkite + Pronunciation  |
||
| Synonym: |
ICSD 29268 | ||
| PDF 33-1486 | |||
Lanarkite Image | |||
|
Images:
|
|
||
|
Images:
|
|
||
Lanarkite Crystallography |
|||
| Axial Ratios: |
a:b:c =2.4131:1:1.2404 | ||
| Cell Dimensions: |
a = 13.746, b = 5.6964, c = 7.066, Z = 4; beta = 115.79° V = 498.18 Den(Calc)= 7.02 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.3426(1), 2.9614(0.8), 2.848(0.45), | ||
| Forms:
Mouse |
|
||
|
Crystal Structure:
Mouse |
| ||
Physical Properties of Lanarkite |
|||
| Cleavage: |
{201} Perfect, {401} Indistinct, {201} Indistinct | ||
| Color: |
Greenish white, Gray, Gray white, Yellow, Light yellow. | ||
| Density: |
6.92 | ||
| Diaphaneity: |
Transparent to Translucent | ||
| Fracture: |
Flexible - Flexible fragments. | ||
| Hardness: |
2-2.5 - Gypsum-Finger Nail | ||
| Luminescence: |
Fluorescent, Long UV=yellow. | ||
| Luster: |
Adamantine - Resinous | ||
| Streak: |
white | ||
Optical Properties of Lanarkite |
|||
| Gladstone-Dale: |
CI meas= -0.024 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.01 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1411,KPDmeas= 0.1431,KC= 0.1397 Ncalc = 1.97 - 1.98 |
||
| Optical Data: |
Biaxial (-), a=1.928, b=2.007, g=2.036, bire=0.1080 | ||
| Pleochroism (x): |
colorless. | ||
| Pleochroism (y): |
colorless. | ||
Calculated Properties of Lanarkite |
|||
| Electron Density: |
Bulk Density (Electron Density)=5.87 gm/cc note: Specific Gravity of Lanarkite =7.02 gm/cc. |
||
| Fermion Index: |
Fermion Index = 0.17 Boson Index = 0.83 |
||
| Photoelectric: |
PELanarkite =1,446.22 barns/electron U=PELanarkite x rElectron Density=8,485.07 barns/cc. |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Lanarkite is Not Radioactive |
||
Lanarkite Classification |
|||
| Dana Class: |
30.02.01.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen | ||
| (30.02)where (A B)2 XO4 Zq | |||
| (30.02.01)Dana Group | |||
| Strunz Class: |
07.BD.40 07 - SULFATES (SELENATES, TELLURATES) | ||
| 07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O | |||
| 07.BD -With only large cations | |||
Other Lanarkite Information |
|||
| See Also: |
Links to other databases for Lanarkite : 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 Lanarkite using: Visit our Advertisers for Lanarkite : A Bijoux Google Search for LanarkiteAdam's Minerals Google Search for Lanarkite Cape Minerals Google Search for Lanarkite Dakota Matrix Minerals Google Search for Lanarkite Excalibur Mineral Corp. Google Search for Lanarkite Exceptional Minerals Google Search for Lanarkite John Betts Fine Minerals Search for Lanarkite McDougall Minerals Google Search for Lanarkite Mineral News Website Link Rock and Mineral Shows Google Search for Lanarkite Weinrich Minerals, Inc. Google Search for Lanarkite Ask about Lanarkite here : Print or Cut-and-Paste your Lanarkite Specimen Label here :
|
||
