Susannite Mineral Data

Susannite Mineral Data
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General Susannite Information

Help on Chemical Formula: Chemical Formula: Pb4(SO4)(CO3)2(OH)2
Help on Composition: Composition: Molecular Weight = 1,078.90 gm
   Hydrogen   0.19 %  H     1.67 % H2O
   Lead      76.82 %  Pb   82.75 % PbO
   Carbon     2.23 %  C     8.16 % CO2
   Sulfur     2.97 %  S     7.42 % SO3
   Oxygen    17.80 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb4(SO4)(CO3)2(OH)2
Help on Environment: Environment: Secondary mineral in the oxidized zone of hydrothermal lead-bearing deposits, formed at temperatures above 80 deg C.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Susanna mine, Leadhills, Lanarkshire, Scotland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Susannite + Pronunciation Say SUSANNITE
Help on Synonym: Synonym: ICSD 87857
  PDF 39-372
 

Susannite Image

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Susannite

Comments: White crystals of susannite on matrix.
Location: Iquiqui, Sonora, Mexico. Scale: Specimen Size 1.25 x 1 x .75 inches.
© Rhonda Spencer / ASDM Sonoran Desert Digital Library

Susannite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.27513
Help on Cell Dimensions: Cell Dimensions: a = 9.05, c = 11.54, Z = 3; V = 818.53 Den(Calc)= 6.57
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.53(1), 2.917(0.6), 2.605(0.5),
Click Here for Large Susannite Structure Window Crystal Structure:

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Bindi L , Menchetti S , American Mineralogist , 90 (2005) p.1641-1647, Structural changes accompanying the phase transformation between leadhillite, and susannite: a structural study by means of in situ high-temperature single-, crystal X-ray diffraction, Sample: Chah Mileh Mine, Anarak District, Esfahan Province, Iran, Sample: T = 82C

View Additional jPOWD Structure files for Susannite
[1]
 

Physical Properties of Susannite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Colorless, Greenish, Yellowish, Light greenish yellow.
Help on Density: Density: 6.55
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luminescence: Luminescence: Fluorescent, Short UV=strong lemon yellow, Long UV=strong lemon yellow.
Help on Luster: Luster: Adamantine - Resinous
Help on Streak: Streak: white
 

Optical Properties of Susannite

Help on Optical Data: Optical Data: NCalc= 1.96 - from Gladstone-Dale relationship (KC = 0.1461) where Ncalc=Dcalc*KC+1
NCalc= 1.96 - from Gladstone-Dale relationship (KC = 0.1461) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Susannite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.53 gm/cc
note: Specific Gravity of Susannite =6.57 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.17
Boson Index = 0.83
Help on Photoelectric: Photoelectric: PESusannite =1,401.45 barns/electron
U=PESusannite x rElectron Density=7,749.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Susannite is Not Radioactive
 

Susannite Classification
Help on Dana Class: Dana Class: 17.01.03.01 (17)Compound Carbonates
  (17.01)with miscellaneous formulae
  (17.01.03)Dana Group
 
17.01.03.01 Susannite Pb4(SO4)(CO3)2(OH)2 R 3 3
Help on Strunz Class: Strunz Class: 05.BF.40 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BF -With (Cl), SO4, PO4, TeO3
 
05.BF.40 Leadhillite Pb4(SO4)(CO3)2(OH)2 P 21/a 2/m
 
05.BF.40 Macphersonite Pb4(SO4)(CO3)2(OH)2 Pcab 2/m 2/m 2/m
 
05.BF.40 Susannite Pb4(SO4)(CO3)2(OH)2 R 3 3
 

Other Susannite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Susannite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Ask about Susannite 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 Susannite Specimen Label here :

Susannite

Pb4(SO4)(CO3)2(OH)2
Dana No: 17.01.03.01 Strunz No: 05.BF.40
Locality:

 

Notes: