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Emilite (Emilit)

Collectors Summary

Color zinnweiß
Lustre Metallglanz
Hardness (Mohs) 4.25
Cleavages unvollkommen (0kl)
Fracture uneben
Crystal System orthorhombisch, Pmc21

Chemism

Chemical formula

Cu10.7Pb10.7Bi21.3S48

Chemical composition

Bismut, Blei, Kupfer, Schwefel

Unit weight: 8887.5185466 u; Number of atoms in the formula: 90.7

Info

Empirical formula:

Cu10.7Pb10.7Bi21.3S48

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

17.32

48

52.92

32.0655000

1,539.1440000
Copper

Cu

7.65

10.7

11.80

63.5463000

679.9454100
Lead

Pb

24.95

10.7

11.80

207.2100000

2,217.1470000
Bismuth

Bi

50.08

21.3

23.48

208.9803820

4,451.2821366

Analysis wt%

Cu : 7.68, Pb : 25.42, Bi : 49.91, S : 17.59 (Ref: Canadian Mineralogist 2002)

Strunz 9th edition incl. updates

2.HB.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
H: Sulfosalze mit SnS als Vorbild
B: Mit Cu, Ag, Fe, Sn und Pb
05:Meneghinit-Serie

Lapis Classification

II/E.30-025

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

Classification by Hölzel

2.GB.103

2: SULFIDES
G: SnS Archetype
B: With Cu,Ag,Fe and Pb
1: Meneghinite Series

Dana 8th edition

03.06.22.01

03: Sulfides - Sulfosalts
06: Sulfides - Sulfosalts where 2 < z/y < 2.49 - (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

zinnweiß

Lustre

Metallglanz

Reflectivity: (Lambda nm) ↓, ↑, Ø

(470) 39.40, 46.95, 43.18
(546) 39.21, 48.25, 43.73
(589) 38.98, 48.35, 43.67
(650) 38.30, 46.94, 42.62
Reflection chart Emilite

Reflectivity Ø

43.30

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

26

Space Group

Pmc21

Cell parameters a (Å)

4.029

Cell parameters b (Å)

44.986

Cell parameters c (Å)

11.599

Cell parameters a/b or c/a

0.090

Cell parameters c/b

0.258

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volumne (ų)

2102.302

X-Ray Powder Diffraction

4.037(50),
3.656(100),
3.605(50),
3.567(80),
3.174(70),
3.151(80),
2.852(90),
2.577(50)
XRD chart Emilite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.25

VHN (Hardness Vickers)

242 (50g)

Density (g/cm³)

7.025 (berechnet)

7.02 ( ρ calc. Mineralienatlas )

Cleavages

unvollkommen (0kl)

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Österreich/Salzburg/Zell am See, Bezirk (Pinzgau)/Mittersill/Felbertal/Scheelitlagerstätte/Westfeld

Preface

Author (Name, Year)

Balic-Zunic & Topa & Makovicky, 2002

References

Canadian Mineralogist 40 (2002), 239

Other languages

German

Emilit

Spanish

Emilita

English

Emilite

French

Emilite

Russian

Эмилит

CNMNC (IMA)-Number

IMA 2001-015

CNMNC symbol

Symbol

Emi

Locations with GPS information