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Nuffieldite

Pictures (2 Images total)

Stängeliger mattgrauer Nuffieldit
Views (File:
1523368187
): 482
Stängeliger mattgrauer Nuffieldit
von der Mine du Lac, Les Houches, Haute-Savoie, Rhône-Alpes, Frankreich, BB = 4,0 mm
Copyright: husi; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: B002591, Donator: anatase2
Location: Frankreich/Auvergne-Rhône-Alpes, Region/Haute-Savoie, Département/Bonneville, Arrondissement/Les Houches
Mineral: Nuffieldite
Image: 1523368187
License: Usage for Mineralienatlas project only
Stängeliger mattgrauer Nuffieldit (SNr: B002591)

von der Mine du Lac, Les Houches, Haute-Savoie, Rhône-Alpes, Frankreich, BB = 4,0 mm
Collection: Lithothek der Münchener Micromounter
Copyright: husi
Contribution: Münchener Micromounter 2018-04-10
Locality: Les Houches / Bonneville, Arrondissement / Haute-Savoie, Département / Auvergne-Rhône-Alpes, Region / Frankreich
Nuffieldit
Views (File:
1701556341
): 26
Nuffieldit
Schwarz-metallische Nuffieldit-xx neben einem blaugrünen Cu-Sekundärmineral (ohne Maßstab); FO: Granite Gap, Hidalgo Co., New Mexico, USA.
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: USA/New Mexico/Hidalgo County/San Simon District/Granite Gap
Mineral: Nuffieldite
Image: 1701556341
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Nuffieldit

Schwarz-metallische Nuffieldit-xx neben einem blaugrünen Cu-Sekundärmineral (ohne Maßstab); FO: Granite Gap, Hidalgo Co., New Mexico, USA.
Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-02
Locality: Granite Gap / San Simon District / Hidalgo County / New Mexico / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color bleigrau, graubraun-met.
Streak color grauschwarz
Hardness (Mohs) 3.00 - 3.50
Crystal System orthorhombisch, Pbnm

Chemism

Chemical formula

Pb2Cu(Pb,Bi)Bi2S7

Chemical composition

Bismut, Blei, Kupfer, Schwefel

Unit weight: 1328.0381595 u; Number of atoms in the formula: 13

Info

Empirical formula:

Pb2Cu(Pb0.75Bi0.25)Bi2S7

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

16.90

7

53.85

32.0655000

224.4585000
Copper

Cu

4.78

1

7.69

63.5463000

63.5463000
Lead

Pb

42.91

2.75

21.15

207.2100000

569.8275000
Bismuth

Bi

35.41

2.25

17.31

208.9803820

470.2058595

Analysis wt%

Pb : 40.42, Bi : 37.67, Cu : 5.90, S : 16.35 (Ref: Canadian Mineralogist 68)

Strunz 9th edition incl. updates

2.HF.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
H: Sulfosalze mit SnS als Vorbild
F: Mit SnS und PbS archetyp strukturellen Einheiten
05:Nuffieldit-Gruppe

Lapis Classification

II/E.33-040

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
33: Blei-Sulfosalze mit Wismut (x= 6,0 - 1,6)

Classification by Hölzel

2.GD.500

2: SULFIDES
G: SnS Archetype
D:
5: SnS + PbS Archetype

Dana 8th edition

03.03.04.01

03: Sulfides - Sulfosalts
03: Sulfides - Sulfosalts where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

bleigrau, graubraun-met.

Streak color

grauschwarz

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pbnm

Cell parameters a (Å)

14.495

Cell parameters b (Å)

21.420

Cell parameters c (Å)

4.042

Cell parameters a/b or c/a

0.677

Cell parameters c/b

0.189

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

1254.972

X-Ray Powder Diffraction

4.00(90),
3.66(100),
3.54(100),
3.16(80),
2.98(30),
2.54(70),
1.871(60),
1.349(40)
XRD chart Nuffieldite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.00 - 3.50

VHN (Hardness Vickers)

164 (15g)

Density (g/cm³)

7.01 (gemessen)

7.028 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/British Columbia/Skeena Mining Division/Alice Arm/Kitsault/Patsy Creek/British Columbia Molybdenum Ltd. Mine

Preface

Author (Name, Year)

Kingston, 1968

References

Canadian Mineralogist 9 (1968), 439

Other languages

German

Nuffieldit

Spanish

Nuffieldita

French

Nuffieldite

English

Nuffieldite

Russian

Нафилдит

https://catalogmineralov.ru/mineral/nuffieldite.html

Traditional Chinese

硫鉍銅鉛礦

Simplified Chinese

硫铋铜铅矿

CNMNC (IMA)-Number

IMA 1967-003

CNMNC symbol

Symbol

Nuf

Locations with GPS information

IDs

GUSID (Global unique identifier short form) A7YsRcevLUqwUMtHOwrD_Q
GUID (Global unique identifier) 452CB603-AFC7-4A2D-B050-CB473B0AC3FD
Database ID 2792