Aikinite Mineral Data (original) (raw)

General Aikinite Information

Help on Chemical Formula: Chemical Formula:

PbCuBiS3

Help on Composition: Composition:

Molecular Weight = 575.92 gm

Copper 11.03 % Cu

Bismuth 36.29 % Bi

Lead 35.98 % Pb

Sulfur 16.70 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

PbCuBiS3

Help on Environment: Environment:

Found in hydrothermal veins.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1843

Help on Locality: Locality:

There are numerous minor localities. In the USA, in Utah, at the Sells mine, Alta, Salt Lake Co. In Nevada, near Cucomungo Spring and near the Sylvania Mountains, Esmeralda Co. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

For Dr. Arthur Aikin (1773-1854), a founder and long-time Secretary of the Geological Society of London, England.

Help on Name Pronunciation: Name Pronunciation:

Aikinite Say AIKINITE

Help on Synonym: Synonym:

ICSD 9120

PDF 47-1736

Aikinite Image

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Aikinite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9693:1:0.3484

Help on Cell Dimensions: Cell Dimensions:

a = 11.297, b = 11.654, c = 4.061, Z = 4; V = 534.65 Den(Calc)= 7.15

Help on Crystal System: Crystal System:

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

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.17(1), 3.66(0.9), 3.59(0.8),

Click Here for Large Aikinite Structure Window Crystal Structure:

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Help on Above

| | Kohatsu I , Wuensch B J , Acta Crystallographica, Section B , 27 (1971) p.1245-1252, The crystal structure of aikinite, PbCuBiS3, Note: B(3,3) altered for Pb and Cu, in order to reproduce Biso View Additional jPOWD Structure files for Aikinite [1] | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Aikinite

Help on Cleavage: Cleavage:

{010} Indistinct

Help on Color: Color:

Lead gray, Grayish black, Reddish brown.

Help on Density: Density:

6.1 - 6.8, Average = 6.44

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Acicular - Occurs as needle-like crystals.

Help on Habit: Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Help on Hardness: Hardness:

2-2.5 - Gypsum-Finger Nail

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

grayish black

Optical Properties of Aikinite

Help on RL Anisotrophism: RL Anisotrophism:

Distinct.

Help on RL Color: RL Color:

White, cream.

Help on RL Pleochroism: RL Pleochroism:

Cream white to pure white or light brown.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Aikinite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
400 nm 44.70 45.70
420 nm 44.90 45.80
440 nm 45.10 45.90
460 nm 45.40 46.20
480 nm 45.80 46.80
500 nm 46.30 47.30
520 nm 46.40 47.50
540 nm 46.30 47.30
560 nm 46.00 47.00
580 nm 45.50 46.70
600 nm 45.00 46.30
620 nm 44.60 45.90
640 nm 44.20 45.40
660 nm 43.70 45.00
680 nm 43.30 44.50
700 nm 43.00 44.00

Calculated Relative Intensity Colors of Aikinite in Air

RelativeIntensity 0% 30% 60% 90% 100% 120% 150% 180% 200%
R1
R2

Calculated Properties of Aikinite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=6.01 gm/cc
note: Specific Gravity of Aikinite =7.15 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Help on Photoelectric: Photoelectric:

PEAikinite =1,358.58 barns/electron
U=PEAikinite x rElectron Density=8,163.38 barns/cc.

Help on Radioactivity: Radioactivity:

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

Aikinite Classification

Help on Dana Class: Dana Class:

03.04.05.01 (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

Help on Strunz Class: 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 Aikinite Information

Help on References: References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

Help on See Also: See Also:

Links to other databases for Aikinite :
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 Aikinite Specimen Label here :

Aikinite

PbCuBiS3
Dana No: 03.04.05.01 Strunz No: 02.HB.05a
Locality:

Notes: