Lindstromite Mineral Data

Lindstromite Mineral Data +

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General Lindstromite Information

Chemical Formula:

Pb3Cu3Bi7S15

Composition:

Molecular Weight = 2,756.09 gm

Copper 6.92 % Cu

Bismuth 53.08 % Bi

Lead 22.55 % Pb

Sulfur 17.45 % S

______

100.00 %

Empirical Formula:

Pb₃Cu₃Bi₇S₁₅

Environment:

Of hydrotherma origin.

IMA Status:

Valid Species (Pre-IMA) 1924

Locality:

Gladhammar, Småland, Kalmar, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named for Gustav Lindstrom (1838-1916), Swedish mineral chemist of the Swedish Museum of Natrual History, Stockholm, Sweden.

Synonym:

Lindstroemite

Lindstromite Image

Images:

Lindstromite

Comments: Silvery metallic lindstromite on matrix.
Location: Silver Miller Mine, Cobalt, Ontario, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lindstromite Crystallography

Axial Ratios:

a:b:c =4.8502:1:0.3458

Cell Dimensions:

a = 56.115, b = 11.5695, c = 4.001, Z = 4; V = 2,597.54 Den(Calc)= 7.05

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbnm

Crystal Structure:

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Horiuchi H , Wuensch B J , The Canadian Mineralogist , 15 (1977) p.527-535, Lindstromite, Cu3Pb3Bi7S15: Its space group and ordering scheme, for metal atoms in the crystal structure

Physical Properties of Lindstromite

Cleavage:

[100] Good, [010] Good, [230] Distinct

Color:

Gray, Tin white.

Density:

7.01

Diaphaniety:

Opaque

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Habit:

Striated - Parallel lines on crystal surface or cleavage face.

Hardness:

3-3.5 - Calcite-Copper Penny

Luster:

Metallic

Streak:

black

Optical Properties of Lindstromite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Lindstromite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	42.30	46.00
420 nm	42.20	45.80
440 nm	42.10	45.60
460 nm	42.00	45.40
480 nm	41.80	45.30
500 nm	41.60	45.20
520 nm	41.40	45.30
540 nm	41.10	45.40
560 nm	41.00	45.50
580 nm	40.70	45.30
600 nm	40.30	45.10
620 nm	40.10	45.00
640 nm	39.80	44.70
660 nm	39.60	44.40
680 nm	39.30	44.00
700 nm	39.00	43.60

**Calculated Relative Intensity Colors of Lindstromite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	220%
R₁
R₂

Calculated Properties of Lindstromite

Electron Density:

r_electron=5.90 gm/cc
note: r_Lindstromite=7.05 gm/cc.

Fermion Index

Fermion Index = 0.05115
Boson Index = 0.94885

Photoelectric:

PE_Lindstromite=1,438.00 barns/electron
U=PE_Lindstromite x r_electron=8,489.64 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Lindstromite is Not Radioactive

Lindstromite Classification

Dana Class:

3.4.5.7 (3)Sulfides - Sulfosalts

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

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

3.4.5.1 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m

3.4.5.2 Krupkaite PbCuBi3S6 P mc2₁ mm2

3.4.5.3 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m

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

3.4.5.5 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2

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

3.4.5.7 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m

3.4.5.8 IMA2000-044! Pb1.6Cu1.6Bi6.4S12 P mc2₁ mm2

Strunz Class:

II/E.30-40 II - Sulfides and sulphosalts

II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts (Pb-Cu/Ag) with predominant Vismut x = 6.0 - 1.6

II/E.30 - Aikinite - Pekoite series

II/E.30-10 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m

II/E.30-15 Soucekite PbCuBi(S,Se)3 Pn21m mm2

II/E.30-20 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2

II/E.30-25 Emilite! Cu10.7Pb10.7Bi21.3S48 P mc2₁ mm2

II/E.30-30 Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m

II/E.30-40 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m

II/E.30-50 Krupkaite PbCuBi3S6 P mc2₁ mm2

II/E.30-54 Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m

II/E.30-60 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m

II/E.30-70 Pekoite PbCuBi11(S,Se)18 P 2₁am mm2

Other Lindstromite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Lindstromite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Lindstromite

Pb3Cu3Bi7S15
Dana No: 3.4.5.7 Strunz No: II/E.30-40
Locality:

Notes: