General Gladite Information
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Chemical Formula: |
PbCuBi5S9 |
Composition: |
Molecular Weight = 1,604.24 gm |
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Copper 3.96 % Cu |
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Bismuth 65.13 % Bi |
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Lead 12.92 % Pb |
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Sulfur 17.99 % S |
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______ |
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100.00 % |
Empirical Formula: |
PbCuBi5S9 |
Environment: |
Of hydrothermal origin. |
IMA Status: |
Valid Species (Pre-IMA) 1924 |
Locality: |
Gladhammer, Province of Kalmar, Sweden. Link to MinDat.org Location Data. |
Name Origin: |
Named after its locality |
Synonym: |
ICSD 167 |
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PDF 29-562 |
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Gladite Image |
Images:
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Gladite
Comments: Bluish-gray prismatic crystal of gladite on calcite.
Location: Holzm?hlental quarry, Flechtingen, Saxony-Anhalt, Germany.
Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag |
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Gladite Crystallography
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Axial Ratios: |
a:b:c =2.8693:1:8.3764 |
Cell Dimensions: |
a = 11.486, b = 4.003, c = 33.531, Z = 4; V = 1,541.70 Den(Calc)= 6.91 |
Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma |
X Ray Diffraction: |
By Intensity(I/Io): 3.56(1), 1.082(0.9), 1.101(0.9),1.308(0.9), 1.916(0.7), 1.948(0.7), 2.81(0.7), |
Crystal Structure:
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drag1 - LMB Manipulate Structure
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Help on Above
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Topa D , Makovicky E , Balic-Zunic T , The Canadian Mineralogist , 40 (2002) p.1147-1159, The structural role of excess Cu and Pb in gladite and krupkaite, based on new refinements of their structure, Sample: bd33
View Additional jPOWD Structure files for Gladite
[1]
[2]
[3]
[4]
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Physical Properties of Gladite
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Cleavage: |
[010] Good, [100] Imperfect |
Color: |
Lead gray, Gray, Tin white. |
Density: |
6.96 |
Diaphaniety: |
Opaque |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Hardness: |
2.5-3 - Finger Nail-Calcite |
Luster: |
Metallic |
Streak: |
black |
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Calculated Properties of Gladite
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Electron Density: |
relectron=5.77 gm/cc note: rGladite =6.91 gm/cc. |
Fermion Index |
Fermion Index = 0.02989 Boson Index = 0.97011 |
Photoelectric: |
PEGladite =1,495.37 barns/electron U=PEGladite x relectron=8,631.01 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Gladite is Not Radioactive |
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Gladite Classification
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Dana Class: |
3.4.5.3 (3)Sulfides - Sulfosalts |
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(3.4)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(3.4.5)Aikinite Group (Orthorhombic containing Pb, Cu, Bi, & S) |
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3.4.5.1 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m |
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3.4.5.2 Krupkaite PbCuBi3S6 P mc21 mm2 |
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3.4.5.3 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m |
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3.4.5.4 Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m |
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3.4.5.5 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2 |
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3.4.5.6 Pekoite PbCuBi11(S,Se)18 P 21am mm2 |
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3.4.5.7 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m |
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3.4.5.8 IMA2000-044! Pb1.6Cu1.6Bi6.4S12 P mc21 mm2 |
Strunz Class: |
II/E.30-60 II - Sulfides and sulphosalts |
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II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts (Pb-Cu/Ag) with predominant Vismut x = 6.0 - 1.6 |
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II/E.30 - Aikinite - Pekoite series |
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II/E.30-10 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m |
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II/E.30-15 Soucekite PbCuBi(S,Se)3 Pn21m mm2 |
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II/E.30-20 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2 |
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II/E.30-25 Emilite! Cu10.7Pb10.7Bi21.3S48 P mc21 mm2 |
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II/E.30-30 Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m |
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II/E.30-40 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m |
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II/E.30-50 Krupkaite PbCuBi3S6 P mc21 mm2 |
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II/E.30-54 Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m |
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II/E.30-60 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m |
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II/E.30-70 Pekoite PbCuBi11(S,Se)18 P 21am mm2 |
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Other Gladite Information
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References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Gladite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 - Crocoite.com Mineral Locations
4 - EUROmin Project
5 -Google Images
6 -Google Scholar
7 -Handbook of Mineralogy (UofA)
8 -MinDAT
9 -MinMax(Deutsch)
10 -MinMax(English)
11 -Mineralienatlas (Deutsch)
12 -QUT Mineral Atlas
13 - WWW-MINCRYST
14 -École des Mines de Paris
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Print or Cut-and-Paste your Gladite Specimen Label here :
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Gladite
PbCuBi5S9
Dana No: 3.4.5.3 Strunz No: II/E.30-60
Locality:
Notes:
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