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Tazieffite

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Tazieffit
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Tazieffit
Bildbreite: 3 mm, Fundort: Vulkan Mutnovsky, Kamtschatka, Fernost, Russland
Copyright: Leonardus; Contribution: thdun5
Location: Russland/Ferner Osten, Föderationskreis/Kamtschatka Oblast/Vulkan Mutnovsky
Mineral: Tazieffite
Image: 1378305786
License: Usage for Mineralienatlas project only
Tazieffit

Bildbreite: 3 mm, Fundort: Vulkan Mutnovsky, Kamtschatka, Fernost, Russland

Copyright: Leonardus
Contribution: thdun5 2013-09-04
Locality: Vulkan Mutnovsky / Kamtschatka Oblast / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Color silbergra, gelegentlich mit magenta farbton
Streak color schwarz
Lustre Metallglanz
Cleavages keine
Crystal System monoklin, C2/c

Chemism

Chem­ical formula

Pb20Cd2(As,Bi)22S50Cl10

Empir­ical formula (anal­y­sis)

Pb20.06(Cd0.89Sn0.39In0.02)(As12.49Bi10.15)(S50.08Se1.28)(Cl7.18I0.32Br0.15)

Chem­ical com­po­si­tion

Arsen, Bismut, Blei, Cadmium, Chlor, Schwefel

Unit weight: 9376.25622964 u; Number of atoms in the formula: 103.01

Info

Empirical formula:

Pb20.06(Cd0.89Sn0.39In0.02)(As12.49Bi10.15)(S50.08Se1.28)(Cl7.18I0.32Br0.15)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

17.13

50.08

48.62

32.0655000

1,605.8402400

Chlorine

Cl

2.71

7.18

6.97

35.4532000

254.5539760

Arsenic

As

9.98

12.49

12.13

74.9216020

935.7708090

Selenium

Se

1.08

1.28

1.24

78.9630000

101.0726400

Bromine

Br

0.13

0.15

0.15

79.9041000

11.9856150

Cadmium

Cd

1.07

0.89

0.86

112.4118000

100.0465020

Indium

In

0.02

0.02

0.02

114.8183000

2.2963660

Tin

Sn

0.49

0.39

0.38

118.7107000

46.2971730

Iodine

I

0.43

0.32

0.31

126.9044730

40.6094314

Lead

Pb

44.33

20.06

19.47

207.2100000

4,156.6326000

Bismuth

Bi

22.62

10.15

9.85

208.9803820

2,121.1508773

Anal­y­sis wt%

Cd : 1.06, Pb : 44.32, Sn : 0.50, As : 9.98, Bi : 22.63, S : 17.13, Se : 1.07, Cl : 2.72, I : 0.43 (Ref: American Mineralogist 2009)

Strunz 9th edi­tion incl. updates

2.JB.

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
J: Sulfosalze mit PbS als Vorbild
B: [Galenit]-Derivate mit [Blei] (Pb)

Lapis Clas­sifica­tion

II/E.27-015

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)

Clas­sifica­tion by Hölzel

2.GD.685

2: SULFIDES
G: SnS Archetype
D:
6: Chlorosulfosalts

IMA sta­tus

anerkannt Juni 2008

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

silbergra, gelegentlich mit magenta farbton

Streak color

schwarz

Lus­tre

Metallglanz

Pleochro­ism

schwach; dunkelgrau zu blaugrau

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

8.352

Cell param­e­ters b (Å)

45.592

Cell param­e­ters c (Å)

27.261

Cell param­e­ters a/b or c/a

0.183

Cell param­e­ters c/b

0.598

Cell param­e­ters α

90°

Cell param­e­ters β

98.84°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

10257.256

X-Ray Pow­der Diffrac­tion

4.35(21), 4.07(39), 3.80(53), 3.66(24), 3.361(65), 3.313(100), 2.835(39), 2.789(36)

XRD chart Tazieffite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

6.07 (berechnet)

6.071 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Kamtschatka Oblast/Vulkan Mutnovsky

Type mate­r­ial

Museum “C.L. Garavelli,” Dipartimento Geomineralogico, Università di Bari, Italien

Fersman Museum, Moscow, Russland

Ecole des Mines de Paris, Frankreich

Col­lec­tion number of type mate­r­ial

8/nm–V28 (Italien), 92674 (Russland), 78986 (Frankreich)

Preface

Gen­er­a­tion con­di­tions

entsteht als Sublimat direkt aus vulkanischen Gasen

Name from

nach Haroun Tazieff, geb. in Warschau 11.5.1914, verstorben in Paris am 6.2.1998; bekannter Vulkanologe, Spezialist für vulkanische Gase und Feldbeobachtungen an aktiven Vulkanen.

Author (Name, Year)

Filippo Vurro, 2008

References

Neue Mineralien - IMA Web Seite Juni 2008

American Mineralogist 94 (2009), 1312

Other languages

German

Tazieffit

English

Tazieffite

Russian

Тазиевит

CNMNC (IMA)-Number

IMA 2008-012

CNMNC symbol

Symbol

Tzf

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

German pages

DeWikiPedia - search for: Tazieffit
Google-Bilder-Suche - search for: Tazieffit
Mineralienatlas.de (Forum) - search for: Tazieffit

English pages

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

Russian pages

Webmineral.ru - search for: Тазиевит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Tazieffit
Crystal-Treasure.com - search for: Tazieffit
Bosse - search for: Tazieffit
Edelsteine Neuburg - Gundolf Fischer - search for: Tazieffit
Geolitho marketplace, by and for collectors - search for: Tazieffit

Locations with GPS information