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Scotlandite Mineral Data

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General Scotlandite Information

Help on Chemical  Formula: Chemical Formula: PbSO3
Help on Composition: Composition: Molecular Weight = 287.26 gm
   Lead    72.13 %  Pb   77.70 % PbO
   Sulfur  11.16 %  S    22.30 % SO2
   Oxygen  16.71 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbSO3
Help on Environment: Environment: In cavities in massive barite.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Leadhills, Scotland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the country of origin.
Help on Name Pronunciation: Name Pronunciation: Scotlandite + Pronunciation Say SCOTLANDITE
Help on Synonym: Synonym: ICSD 30993
  PDF 38-409

Scotlandite Image

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Comments: Radiating group of colorless spear-head shaped prismatic crystals of scotlandite.
Location: Lady Anne Hopetoun shaft. Leadhills, Lanarkshire, Scotland. Scale: See Image.
© Rruff Database

Scotlandite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8447:1:1.201
Help on Cell Dimensions: Cell Dimensions: a = 4.505, b = 5.333, c = 6.405, Z = 2; beta = 106.23° V = 147.75 Den(Calc)= 6.46
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.99(1), 3.25(0.8), 3.38(0.7),

Physical Properties of Scotlandite

Help on Cleavage: Cleavage: {100} Perfect, {010} Good
Help on Color: Color: Colorless, Gray white, Light yellow.
Help on Density: Density: 6.37
Help on Habit: Habit: Fan Shaped - Occurs as radiating crystals shaped like a fan.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white

Optical Properties of Scotlandite

Help on Gladstone-Dale: 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
Help on Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.49 gm/cc
note: Specific Gravity of Scotlandite =6.46 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.16
Boson Index = 0.84
Help on Photoelectric: Photoelectric: PEScotlandite =1,304.34 barns/electron
U=PEScotlandite x rElectron Density=7,156.98 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Scotlandite is Not Radioactive

Scotlandite Classification

Help on  Dana Class: Dana Class: (34)Selenites - Tellurites - Sulfites
  (34.01)as A++ XO3
  (34.01.01)Dana Group Molybdomenite PbSeO3 P 21/m 2/m Scotlandite PbSO3 P 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.JE.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JE -Sulfites
04.JE.20 Scotlandite PbSO3 P 2/m 2/m

Other Scotlandite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: 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

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Dana No: Strunz No: 04.JE.20





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