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Litochlebite

Additional Functions

Collectors Summary

Color dunkelgrau, schwarz
Streak color dunkelgrau
Lustre Metallglanz
Hardness (Mohs) 3
Cleavages keine
Crystal System monoklin, P21/m
Morphology unregelmäßige Körner bis 0.2 mm Größe in Quarz Gängen

Chemism

Chem­ical formula

Ag2PbBi4Se8

Empir­ical formula (anal­y­sis)

(Ag1.84Cu0.03)Σ1.87(Pb1.09Cd0.01)Σ1.10Bi3.99Se8.04

Chem­ical com­po­si­tion

Bismut, Blei, Selen, Silber

Unit weight: 1896.06117598 u; Number of atoms in the formula: 15

Info

Empirical formula:

(Ag1.84Cu0.03)(Pb1.09Cd0.01)Bi3.99Se8.04

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Copper

Cu

0.10

0.03

0.20

63.5463000

1.9063890

Selenium

Se

33.48

8.04

53.60

78.9630000

634.8625200

Silver

Ag

10.47

1.84

12.27

107.8682200

198.4775248

Cadmium

Cd

0.06

0.01

0.07

112.4118000

1.1241180

Lead

Pb

11.91

1.09

7.27

207.2100000

225.8589000

Bismuth

Bi

43.98

3.99

26.60

208.9803820

833.8317242

Anal­y­sis wt%

Se : 33.41, Bi : 44.22, Pb : 10.96, Ag : 11.41 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

2.HB.20e

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
20e:

Lapis Clas­sifica­tion

II/E.34-095

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

Clas­sifica­tion by Hölzel

2.HA.305

2: SULFIDES
H: PbS Archetype
A: With Cu,Ag,Pb
3: Junoite-Proudite Series

IMA sta­tus

Anerkanntes Mineral - IMA-WEB-Seite, Neue Mineralien Aug 2009

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

dunkelgrau, schwarz

Streak color

dunkelgrau

Change in color

in reflektiertem Licht weiß

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Pleochro­ism

weiß / schwach gelblich bis weiß / schwache bläuliche Färbung

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(470) 44.50, 49.90, 47.20
(546) 45.10, 50.50, 47.80
(589) 45.60, 51.30, 48.45
(650) 45.40, 51.80, 48.60

Reflection chart Litochlebite

Reflec­tiv­ity Ø

48.01

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

11

Space Group

P21/m

Cell param­e­ters a (Å)

13.182

Cell param­e­ters b (Å)

4.184

Cell param­e­ters c (Å)

15.299

Cell param­e­ters a/b or c/a

3.151

Cell param­e­ters c/b

3.657

Cell param­e­ters α

90°

Cell param­e­ters β

109.12

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

797.245

X-Ray Pow­der Diffrac­tion

3.684(53), 3.625(39), 3.201(76), 3.028(100), 2.980(88), 2.892(95), 2.822(35), 2.094(31)

XRD chart Litochlebite

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

Morphol­ogy

unregelmäßige Körner bis 0.2 mm Größe in Quarz Gängen

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3

Density (g/cm³)

7.871 (berechnet)

7.898 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

(Co-)Type locality

(Co-)Type locality

Tschechien/Olmütz, Region (Olomoucky Kraj)/Freiwaldau (Jesenik), Bezirk/Jauernig (Javornik)/Waldek (Zalesi)

Type mate­r­ial

National Museum, Prag, Tschechische Republik

Col­lec­tion number of type mate­r­ial

P1P 11/2009

Preface

Asso­cia­tions

Quarz, Uraninit, Hämatit und supergenem Uranophan sowie einer heterogenen Bi-Se-O Phase

Name from

Zu Ehren des tschechischen Mineralogen Dr. Jiří Litochleb

Author (Name, Year)

Jiří Sejkora, 2009

References

IMA-WEB-Seite, Neue Mineralien Aug 2009

Canadian Mineralogist, 49, 639–650

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Litochlebite

Ag2PbBi4Se8

monoklin : 2/m : P21/m

2.HB.20e

Luxembourgite

AgCuPbBi4Se8

monoklin : 2/m : P21/m

2.HB.20e

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Galenobismutite

PbBi2S4

orthorhombisch : mmm : Pnam

II/E.34-005

Mozgovaite

PbBi4S7

orthorhombisch : mmm : Bbmm

II/E.34-008

Cosalite

Pb2Bi2S5

orthorhombisch : mmm : Pbnm

II/E.34-010

Proudite

Cu2Pb16Bi20(S,Se)47

monoklin : 2/m : C2/m

II/E.34-020

Felbertalite

(Pb,Ag)6Cu2Bi8S19

monoklin : 2/m : C2/m

II/E.34-025

Weibullite

(Pb,Ag)6Bi8(S,Se)18

orthorhombisch : mmm : Pnma

II/E.34-030

Cannizzarite

Pb48Bi56(S124Se8)

monoklin : 2/m : P21/m

II/E.34-060

'Wittite'

Pb8Bi10(S,Se)23

monoklin : 2/m : P2/m

II/E.34-065

Nordströmite

Pb3CuBi7(S10Se4)

monoklin : 2/m : P21/m

II/E.34-070

Junoite

Pb3Cu2Bi8(S,Se)16

monoklin : 2/m : C2/m

II/E.34-080

Watkinsonite

PbCu2Bi4(Se,S)8

monoklin : 2, m, 2/m : P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

II/E.34-090

Litochlebite

Ag2PbBi4Se8

monoklin : 2/m : P21/m

II/E.34-095

Paderaite

AgPb2Cu6Bi11S22

monoklin : 2/m : P21/m

II/E.34-100

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Watkinsonite

PbCu2Bi4(Se,S)8

monoklin : 2, m, 2/m : P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

2.HA.300

Litochlebite

Ag2PbBi4Se8

monoklin : 2/m : P21/m

2.HA.305

Berryite

Cu3Ag2Pb3Bi7S16

monoklin : 2/m : P21/m

2.HA.310

Junoite

Pb3Cu2Bi8(S,Se)16

monoklin : 2/m : C2/m

2.HA.330

Nordströmite

Pb3CuBi7(S10Se4)

monoklin : 2/m : P21/m

2.HA.340

Proudite

Cu2Pb16Bi20(S,Se)47

monoklin : 2/m : C2/m

2.HA.360

Felbertalite

(Pb,Ag)6Cu2Bi8S19

monoklin : 2/m : C2/m

2.HA.370

Makovickyite

(Ag,Cu)1.5(Bi,Pb)5.5S9

monoklin : 2/m : C2/m

2.HA.380

Cupromakovickyite

Cu4AgPb2Bi9S18

monoklin : 2/m : C2/m

2.HA.385

Other languages

German

Litochlebit

English

Litochlebite

IMA Number

IMA 2009-036

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Litochlebit
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Mineralogisch-Petrographisches-Institut Hamburg - search for: Litochlebit

English pages

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