General Scotlandite Information Chemical Formula: |
PbSO3 |
Composition: |
Molecular Weight = 287.26 gm |
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Lead 72.13 % Pb 77.70 % PbO |
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Sulfur 11.16 % S 22.30 % SO2 |
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Oxygen 16.71 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
PbSO3 |
Environment: |
In cavities in massive barite. |
IMA Status: |
Approved IMA 1984 |
Locality: |
Leadhills, Scotland. Link to MinDat.org Location Data. |
Name Origin: |
Named for the country of origin. |
Name Pronunciation: |
Scotlandite + Pronunciation |
Synonym: |
ICSD 30993 |
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PDF 38-409 |
| | Scotlandite Image
Images:
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Scotlandite Crystallography Axial Ratios: |
a:b:c =0.8447:1:1.201 |
Cell Dimensions: |
a = 4.505, b = 5.333, c = 6.405, Z = 2; beta = 106.23° V = 147.75 Den(Calc)= 6.46 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/m |
X Ray Diffraction: |
By Intensity(I/Io): 3.99(1), 3.25(0.8), 3.38(0.7), |
Crystal Structure:
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Mouse
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| Physical Properties of Scotlandite Cleavage: |
{100} Perfect, {010} Good |
Color: |
Colorless, Gray white, Light yellow. |
Density: |
6.37 |
Habit: |
Fan Shaped - Occurs as radiating crystals shaped like a fan. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Hardness: |
2 - Gypsum |
Luster: |
Adamantine |
Streak: |
white |
| Optical Properties of Scotlandite Gladstone-Dale: |
CI meas= -0.022 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.008 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1631,KPDmeas= 0.1654,KC= 0.1618 Ncalc = 2.03 - 2.05 Optical Data: |
Biaxial (+), a=2.035, b=2.04, g=2.085, bire=0.0500, 2V(Calc)=38, 2V(Meas)=35. Dispersion r < v strong. |
| Calculated Properties of Scotlandite Electron Density: |
Bulk Density (Electron Density)=5.49 gm/cc |
note: Specific Gravity of Scotlandite =6.46 gm/cc. Fermion Index: |
Fermion Index = 0.16 |
Boson Index = 0.84 Photoelectric: |
PEScotlandite =1,304.34 barns/electron |
U=PEScotlandite x rElectron Density=7,156.98 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Scotlandite is Not Radioactive | Scotlandite Classification Dana Class: |
34.01.01.02 (34)Selenites - Tellurites - Sulfites |
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(34.01)as A++ XO3 |
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(34.01.01)Dana Group |
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Strunz Class: |
04.JE.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.J - Arsenites, Antimonites, Bismuthites, Sulfites, |
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04.JE -Sulfites |
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| Other Scotlandite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
See Also: |
Links to other databases for Scotlandite : |
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 Scotlandite using: Visit our Advertisers for Scotlandite : A Bijoux Google Search for ScotlanditeAdam's Minerals Google Search for Scotlandite Cape Minerals Google Search for Scotlandite Dakota Matrix Minerals Google Search for Scotlandite Excalibur Mineral Corp. Google Search for Scotlandite Exceptional Minerals Google Search for Scotlandite John Betts Fine Minerals Search for Scotlandite McDougall Minerals Google Search for Scotlandite Mineral News Website Link Rock and Mineral Shows Google Search for Scotlandite Weinrich Minerals, Inc. Google Search for Scotlandite Ask about Scotlandite here : Print or Cut-and-Paste your Scotlandite Specimen Label here :
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