General Lindstromite Information
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Chemical Formula: |
Pb3Cu3Bi7S15 |
Composition: |
Molecular Weight = 2,756.09 gm |
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Copper 6.92 % Cu |
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Bismuth 53.08 % Bi |
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Lead 22.55 % Pb |
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Sulfur 17.45 % S |
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______ |
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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 |
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Lindstromite Image |
Images:
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Lindstromite Crystallography
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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:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
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Help on Above
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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
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Physical Properties of Lindstromite
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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 |
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Optical Properties of Lindstromite
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Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Lindstromite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
42.30 |
46.00 |

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| 420 nm |
42.20 |
45.80 |

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| 440 nm |
42.10 |
45.60 |

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| 460 nm |
42.00 |
45.40 |

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| 480 nm |
41.80 |
45.30 |

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| 500 nm |
41.60 |
45.20 |

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| 520 nm |
41.40 |
45.30 |

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| 540 nm |
41.10 |
45.40 |

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| 560 nm |
41.00 |
45.50 |

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| 580 nm |
40.70 |
45.30 |

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| 600 nm |
40.30 |
45.10 |

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| 620 nm |
40.10 |
45.00 |

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| 640 nm |
39.80 |
44.70 |

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| 660 nm |
39.60 |
44.40 |

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| 680 nm |
39.30 |
44.00 |

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| 700 nm |
39.00 |
43.60 |

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Calculated Relative Intensity Colors of Lindstromite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
220% |
| R1 |
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| R2 |
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Calculated Properties of Lindstromite
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Electron Density: |
relectron=5.90 gm/cc note: rLindstromite =7.05 gm/cc. |
Fermion Index |
Fermion Index = 0.05115 Boson Index = 0.94885 |
Photoelectric: |
PELindstromite =1,438.00 barns/electron U=PELindstromite x relectron=8,489.64 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Lindstromite is Not Radioactive |
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Lindstromite Classification
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Dana Class: |
3.4.5.7 (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.30-40 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 Lindstromite Information
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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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Print or Cut-and-Paste your Lindstromite Specimen Label here :
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Lindstromite
Pb3Cu3Bi7S15
Dana No: 3.4.5.7 Strunz No: II/E.30-40
Locality:
Notes:
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