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Susannite Mineral Data
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General Susannite Information
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 Chemical Formula: |
Pb4(SO4)(CO3)2(OH)2 |
| Composition: |
Molecular Weight = 1,078.90 gm |
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Hydrogen 0.19 % H 1.67 % H2O |
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Lead 76.82 % Pb 82.75 % PbO |
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Carbon 2.23 % C 8.16 % CO2 |
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Sulfur 2.97 % S 7.42 % SO3 |
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Oxygen 17.80 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb4(SO4)(CO3)2(OH)2 |
| Environment: |
Secondary mineral in the oxidized zone of hydrothermal lead-bearing deposits, formed at temperatures above 80 deg C. |
| IMA Status: |
Valid Species (Pre-IMA) 1845 |
| Locality: |
Susanna mine, Leadhills, Lanarkshire, Scotland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Susannite + Pronunciation  |
| Synonym: |
ICSD 87857 |
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PDF 39-372 |
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Susannite Image |
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Images:
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Susannite Crystallography
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| Axial Ratios: |
a:c = 1:1.27513 |
| Cell Dimensions: |
a = 9.05, c = 11.54, Z = 3; V = 818.53 Den(Calc)= 6.57 |
| Crystal System: |
Trigonal - Rhombohedral H-M Symbol ( 3) Space Group: R 3 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.53(1), 2.917(0.6), 2.605(0.5), |
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Physical Properties of Susannite
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| Cleavage: |
{0001} Perfect |
| Color: |
Colorless, Greenish, Yellowish, Light greenish yellow. |
| Density: |
6.55 |
| Diaphaneity: |
Transparent to Translucent |
| Fracture: |
Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. |
| Hardness: |
2.5-3 - Finger Nail-Calcite |
| Luminescence: |
Fluorescent, Short UV=strong lemon yellow, Long UV=strong lemon yellow. |
| Luster: |
Adamantine - Resinous |
| Streak: |
white |
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Optical Properties of Susannite
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| 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
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Calculated Properties of Susannite
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| Electron Density: |
Bulk Density (Electron Density)=5.53 gm/cc
note: Specific Gravity of Susannite =6.57 gm/cc.
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| Fermion Index: |
Fermion Index = 0.17
Boson Index = 0.83 |
| Photoelectric: |
PESusannite =1,401.45 barns/electron
U=PESusannite x rElectron Density=7,749.06 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Susannite is Not Radioactive |
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Susannite Classification
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| Dana Class: |
17.01.03.01 (17)Compound Carbonates |
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(17.01)with miscellaneous formulae |
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(17.01.03)Dana Group |
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17.01.03.01 Susannite Pb4(SO4)(CO3)2(OH)2 R 3 3 |
| Strunz Class: |
05.BF.40 05 - CARBONATES (NITRATES) |
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05.B - Carbonates with additional anions, without H2O |
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05.BF -With (Cl), SO4, PO4, TeO3 |
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05.BF.40 Leadhillite Pb4(SO4)(CO3)2(OH)2 P 21/a 2/m |
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05.BF.40 Macphersonite Pb4(SO4)(CO3)2(OH)2 Pcab 2/m 2/m 2/m |
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05.BF.40 Susannite Pb4(SO4)(CO3)2(OH)2 R 3 3 |
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Other Susannite Information
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| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| 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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Print or Cut-and-Paste your Susannite Specimen Label here :
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Susannite
Pb4(SO4)(CO3)2(OH)2
Dana No: 17.01.03.01 Strunz No: 05.BF.40
Locality:
Notes:
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