General Suredaite Information Chemical Formula: |
PbSnS3 |
Composition: |
Molecular Weight = 390.35 gm |
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Silver 1.38 % Ag |
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Tin 30.41 % Sn |
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Arsenic 1.92 % As |
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Lead 42.46 % Pb |
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Sulfur 23.82 % S |
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100.00 % |
Empirical Formula: |
Pb0.8Ag0.05SnAs0.1S2.9 |
Environment: |
Stockwork mineralization in Ag-Sn mineral belt. |
IMA Status: |
Approved IMA 1998 (Dana # Added) |
Locality: |
Oploca vein system in the SW corner of the Pirquitas Ag-Sn deposti, NW Argentina. Link to MinDat.org Location Data. |
Name Origin: |
The name honors R. J. Sureda Leston, head of the Department of Mineralogy end Economic Geology, University of Salta, Argentina. |
Synonym: |
ICSD 89709 |
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IMA1997-043 |
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PDF 23-1168 |
| | Suredaite Image
Images:
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Images:
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Suredaite Crystallography Axial Ratios: |
a:b:c =2.3383:1:3.7127 |
Cell Dimensions: |
a = 8.8221, b = 3.7728, c = 14.0076, Z = 4; V = 466.23 Den(Calc)= 5.56 |
Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma |
X Ray Diffraction: |
By Intensity(I/Io): 4.128(1)(103), 1.9335(0.54)(314), 2.6692(0.51),2.8081(0.51)(211), 2.7421(0.409)(204), 1.6316(0.389)(124), 3.73(0.3)(202), 3.1085(0.276)(112), 1.3754(0.265)(309), |
Crystal Structure:
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Mouse
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| Physical Properties of Suredaite Cleavage: |
{001} Perfect, {101} Perfect, {100} Perfect |
Color: |
Grayish black. |
Density: |
5.54 - 5.88, Average = 5.71 |
Diaphaneity: |
Opaque |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Hardness: |
2.5-3 - Finger Nail-Calcite |
Luster: |
Metallic |
Streak: |
black |
| Optical Properties of Suredaite Optical Data: |
NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.1116) where Ncalc=Dcalc*KC+1 |
NCalc= 1.64 - from Gladstone-Dale relationship (KC = 0.1116) where Ncalc=Dmeas*KC+1 RL Anisotrophism: |
Rotation tints of metallic blue to mauve to brown. |
RL Bireflectance: |
Not apparent. |
RL Color: |
White. |
RL Pleochroism: |
Not apparent. |
Reflectivity |
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| Calculated Properties of Suredaite Electron Density: |
Bulk Density (Electron Density)=4.78 gm/cc |
note: Specific Gravity of Suredaite =5.56 gm/cc. Fermion Index: |
Fermion Index = 0.14 |
Boson Index = 0.86 Photoelectric: |
PESuredaite = 862.93 barns/electron |
U=PESuredaite x rElectron Density=4,121.30 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Suredaite is Not Radioactive | Suredaite Classification Dana Class: |
02.04.21.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.04)where Am Bn Xp, with (m+n):p=2:1 |
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(02.04.21)Dana Group |
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Strunz Class: |
02.DB.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DB -M:S = 2:3 and similar |
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| Other Suredaite Information References: |
NAME( AmMin, 85:1066) PHYS. PROP.(AmMin, 85:1066) OPTIC PROP.(AmMin, 85:1066) |
See Also: |
Links to other databases for Suredaite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (UofA) 7 - MinDAT 8 - Mineralienatlas (Deutsch) 9 - Online Mineral Museum 10 - QUT Mineral Atlas 11 - Ruff.Info Search for Suredaite using: Visit our Advertisers for Suredaite : A Bijoux Google Search for SuredaiteAdam's Minerals Google Search for Suredaite Cape Minerals Google Search for Suredaite Dakota Matrix Minerals Google Search for Suredaite Excalibur Mineral Corp. Google Search for Suredaite Exceptional Minerals Google Search for Suredaite John Betts Fine Minerals Search for Suredaite McDougall Minerals Google Search for Suredaite Mineral News Website Link Rock and Mineral Shows Google Search for Suredaite Weinrich Minerals, Inc. Google Search for Suredaite Ask about Suredaite here : Print or Cut-and-Paste your Suredaite Specimen Label here :
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