Neyite Mineral Data + 
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- 3.5.1.1 Neyite AgCu3Pb12.5Bi13S34 C 2/m 2/m
- II/E.32-10 Neyite AgCu3Pb12.5Bi13S34 C 2/m 2/m
General Neyite Information |
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 Chemical Formula: |
AgCu3Pb12.5Bi13S34 | ||
| Composition: |
Molecular Weight = 6,619.03 gm | ||
| Copper 2.88 % Cu | |||
| Silver 1.63 % Ag | |||
| Bismuth 41.04 % Bi | |||
| Lead 37.88 % Pb | |||
| Sulfur 16.57 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
AgCu3Pb12.1Bi13S34.2 | ||
| Environment: |
Primary sulfide mineral in a porphyry molybdenum deposit. | ||
| IMA Status: |
Approved IMA 1969 | ||
| Locality: |
Lime Creek Molybdenum deposit, Patsy Creek, Alice Arm, British Columbia, Canada Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Charles Stewart Ney (1918-1975 ), Geologist. | ||
| Synonym: |
IMA1968-017 | ||
Neyite Image | |||
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Images:
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Neyite Crystallography |
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| Axial Ratios: |
a:b:c =9.2192:1:10.736 | ||
| Cell Dimensions: |
a = 37.527, b = 4.0705, c = 43.701, Z = 4; beta = 108.801° V = 6,319.31 Den(Calc)= 6.96 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.92(1), 3.51(1), 3.72(1), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Neyite |
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| Cleavage: |
None | ||
| Color: |
Lead gray, Gray blue, Yellow blue, Silver gray. | ||
| Density: |
7.02 | ||
| Diaphaniety: |
Opaque | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Metallic | ||
| Streak: |
gray | ||
Optical Properties of Neyite |
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| RL Anisotrophism: |
Moderate, light gray, yellow-green, and light reddish brown to gray-black. | ||
| RL Color: |
Galena white. | ||
Calculated Properties of Neyite |
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| Electron Density: |
relectron=5.79 gm/cc |
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| Fermion Index |
Fermion Index = 0.08495 Boson Index = 0.91505 |
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| Photoelectric: |
PENeyite =1,500.33 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Neyite is Not Radioactive |
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Neyite Classification |
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| Dana Class: |
3.5.1.1 (3)Sulfides - Sulfosalts | ||
| (3.5)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.5.1)Dana Group | |||
| Strunz Class: |
II/E.32-10 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.32 - Neyite series | |||
Other Neyite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Neyite : 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 -École des Mines de Paris Search for Neyite using: Visit our Advertisers for Neyite : Translate Neyite Mineral Data : Ask about Neyite here : Print or Cut-and-Paste your Neyite Specimen Label here :
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