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Gladite Mineral Data
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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 |
| Name Pronunciation: |
Gladite  |
| Synonym: |
ICSD 167 |
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PDF 29-562 |
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Gladite Image |
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Images:
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Gladite
Comments: Bluish-gray prismatic crystal of gladite on calcite.
Location: Holzmühlental 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 - Dipyramidal H-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), |
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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 |
| Diaphaneity: |
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: |
Bulk Density (Electron Density)=5.77 gm/cc
note: Specific Gravity of Gladite =6.91 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEGladite =1,495.37 barns/electron
U=PEGladite x rElectron Density=8,631.01 barns/cc.
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| 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: |
03.04.05.03 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.05)Aikinite Group (Orthorhombic containing Pb, Cu, Bi, & S) |
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03.04.05.01 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m |
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03.04.05.02 Krupkaite PbCuBi3S6 P mc21 mm2 |
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03.04.05.03 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m |
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03.04.05.04 Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m |
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03.04.05.05 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2 |
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03.04.05.06 Pekoite PbCuBi11(S,Se)18 P 21am mm2 |
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03.04.05.07 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m |
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03.04.05.08 Salzburgite! Cu1.6Pb1.6Bi6.4S12 P mc21 mm2 |
| Strunz Class: |
02.HB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HB -With Cu, Ag, Hg, Fe, Sn and Pb |
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02.HB.05a Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m |
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02.HB.05a Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m |
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02.HB.05a Gladite PbCuBi5S9 P nma 2/m 2/m 2/m |
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02.HB.05a Friedrichite Pb5Cu5Bi7S18 Pb21m mm2 |
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02.HB.05a Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m |
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02.HB.05a Krupkaite PbCuBi3S6 P mc21 mm2 |
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02.HB.05a Pekoite PbCuBi11(S,Se)18 P 21am mm2 |
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02.HB.05a Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m |
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02.HB.05a Emilite! Cu2.68Pb2.68Bi5.32S12 P mc21 mm2 |
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02.HB.05a Salzburgite! Cu1.6Pb1.6Bi6.4S12 P mc21 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 - 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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Gladite Specimen Label here :
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Gladite
PbCuBi5S9
Dana No: 03.04.05.03 Strunz No: 02.HB.05a
Locality:
Notes:
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