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Jonassonite (Unnamed (Au-Bi Sulphide))

Collectors Summary

Color zinnweiß
Streak color schwarz
Lustre metallglanz
Hardness (Mohs) 3.5
Cleavages keine
Fracture unregelmäßig
Crystal System monoklin,

Chemism

Chem­ical formula

Au(Bi,Pb)5S4

Addi­tional chem. informa­tion

es wird diskutiert, dass Pb kein notwendiger Bestandteil von Jonassonit sei, vgl.
V. I. Vasiliev, A. S. Borisenko, N. K. Mortsev, C. C. Khoa, N. T. Fyong: Jonassonite (AuBi5S4) from the Dakripen gold deposit in Vietnam. Geology of Ore Deposits Volume 53, Number 7 (2011) S.614-619.

Chem­ical com­po­si­tion

Bismut, Blei, Gold, Schwefel

Unit weight: 1367.9174845 u; Number of atoms in the formula: 10

Info

Empirical formula:

Au(Bi0.75Pb0.25)5S4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

9.38

4

40.00

32.0655000

128.2620000

Gold

Au

14.40

1

10.00

196.9665520

196.9665520

Lead

Pb

18.93

1.25

12.50

207.2100000

259.0125000

Bismuth

Bi

57.29

3.75

37.50

208.9803820

783.6764325

Anal­y­sis wt%

Au : 15.36, Bi : 75.34, S : 9.41 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 86)

Strunz 9th edi­tion incl. updates

2.LA.65

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
L: unklassifizierte Sulfosalze
A: ohne nennenswertes Pb (Blei)
65:Jonassonit-Gruppe

Lapis Clas­sifica­tion

II/D.15-040

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
D: Sulfide mit Metall : S,Se,Te < 1:1
15: Telluride mit Kupfer, Silber, Gold

Clas­sifica­tion by Hölzel

2.BA.690

2: SULFIDES
B: Sulfides (etc) with Me/S > 1/1 (mostly 2/1)
A: With Cu,Ag,Au
6: Henryite-Hessite-Group (with Te)

Dana 8th edi­tion

02.05.11.01

02: Sulfide Minerals
05: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=3:2

IMA sta­tus

anerkannt 2004

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

zinnweiß

Streak color

schwarz

Lus­tre

metallglanz

Crystallography

Crystal Sys­tem

monoklin

Cell param­e­ters a (Å)

18.329

Cell param­e­ters b (Å)

4.108

Cell param­e­ters c (Å)

13.974

Cell param­e­ters a/b or c/a

4.462

Cell param­e­ters c/b

3.402

Cell param­e­ters α

90°

Cell param­e­ters β

100.90

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1033.197

X-Ray Pow­der Diffrac­tion

9.002(40), 6.876(30), 6.046(20), 3.460(30), 3.382(40), 2.959(100), 2.101(50), 2.086(50)

XRD chart Jonassonite

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

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

135 (5g)

Density (g/cm³)

8.64 (berechnet)

8.793 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

unregelmäßig

Tenac­ity

spröde

Preface

Author (Name, Year)

Paar & Putz & Topa & Roberts & Stanley & Culetto, 2006

References

Canadian Mineralogist 44 (2006), 1127

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

Jonassonite

Au(Bi,Pb)5S4

2.LA.65

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

Montbrayite

(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Bi,Pb)38

triklin : 1 : P1

II/D.15-010

Museumite

Pb5AuSbTe2S12

monoklin : 2/m, 2 : P21/m, P21

II/D.15-015

Nagyágite

Pb(Pb,Sb)S2(Te,Au)

monoklin : 2/m : P21/m

II/D.15-020

Buckhornite

(Pb2BiS3)(AuTe2)

orthorhombisch : mmm : Pmmn

II/D.15-030

Jonassonite

Au(Bi,Pb)5S4

II/D.15-040

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

Hessite

Ag2Te

monoklin : 2/m : P21/c

2.BA.600

Cervelleite

Ag4TeS

monoklin : 2/m : P21/n

2.BA.610

Kurilite

Ag8Te3Se

trigonal : 3 : R3

2.BA.620

Stützite

Ag5-xTe3 {x = 0.24-0.36}

hexagonal : 6m2 : P62m

2.BA.650

Henryite

Cu4Ag3Te4

2.BA.660

Tsnigriite

Ag9SbTe3S3

monoklin : m, 2/m : Pm, P2/m

2.BA.680

Jonassonite

Au(Bi,Pb)5S4

2.BA.690

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Putzite

(Cu,Ag)8GeS6

kubisch : 43m : P43m

02.05.10.01

Jonassonite

Au(Bi,Pb)5S4

02.05.11.01

Other languages

German

Jonassonit

English

Jonassonite

Russian

Джонассонит

Alternative Name

Unnamed (Au-Bi Sulphide)

IMA Number

IMA 2004-031

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

German pages

DeWikiPedia - search for: Jonassonit
Google-Bilder-Suche - search for: Jonassonit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Jonassonit

English pages

Mindat - search for: Jonassonite
Webmineral - search for:Jonassonite
Handbook-of-Mineralogy - search for: Jonassonite
RRUFF - Raman, XRD and other mineral data - search for: Jonassonite
RRUFF - References and PDF downloads - search for: Jonassonite
American-Mineralogist-Crystal-Structure-Database - search for: Jonassonite
Athena - search for: Jonassonite

Russian pages

Webmineral.ru - search for: Джонассонит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Jonassonit
Crystal-Treasure.com - search for: Jonassonit
Bosse - search for: Jonassonit

Locations with GPS information




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