Gladite Mineral Data

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General Gladite Information

Chemical Formula:

PbCuBi5S9

Composition:

Molecular Weight = 1,604.24 gm

Copper 3.96 % Cu

Bismuth 65.13 % Bi

Lead 12.92 % Pb

Sulfur 17.99 % S

______

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

PDF 29-562

Gladite Image

Images:

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

Gladite Crystallography

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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
drag2 - RMB Resize/Rotate
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Help on Above

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]

Physical Properties of Gladite

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

Calculated Properties of Gladite

Electron Density:

Bulk Density (Electron Density)=5.77 gm/cc
note: Specific Gravity of Gladite =6.91 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Gladite=1,495.37 barns/electron
U=PE_Gladite x rElectron Density=8,631.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gladite is Not Radioactive

Gladite Classification

Dana Class:

03.04.05.03 (03)Sulfides - Sulfosalts

(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.04.05)Aikinite Group (Orthorhombic containing Pb, Cu, Bi, & S)

03.04.05.01 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m

03.04.05.02 Krupkaite PbCuBi3S6 P mc2₁ mm2

03.04.05.03 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m

03.04.05.04 Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m

03.04.05.05 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2

03.04.05.06 Pekoite PbCuBi11(S,Se)18 P 2₁am mm2

03.04.05.07 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m

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

02.H - Sulfosalts of SnS Archetype

02.HB -With Cu, Ag, Hg, Fe, Sn and Pb

02.HB.05a Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m

02.HB.05a Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m

02.HB.05a Gladite PbCuBi5S9 P nma 2/m 2/m 2/m

02.HB.05a Friedrichite Pb5Cu5Bi7S18 Pb21m mm2

02.HB.05a Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m

02.HB.05a Krupkaite PbCuBi3S6 P mc2₁ mm2

02.HB.05a Pekoite PbCuBi11(S,Se)18 P 2₁am mm2

02.HB.05a Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m

02.HB.05a Emilite! Cu2.68Pb2.68Bi5.32S12 P mc2₁ mm2

02.HB.05a Salzburgite! Cu1.6Pb1.6Bi6.4S12 P mc2₁ mm2

Other Gladite Information

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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Gladite Specimen Label here :

Gladite

PbCuBi5S9
Dana No: 03.04.05.03 Strunz No: 02.HB.05a
Locality:

Notes: