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Chrisstanleyite

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Chrisstanleyit & Jagüéit
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Chrisstanleyit & Jagüéit

El Chire Prospect, Los Llantenes, General Lamadrid Department, La Rioja, Argentinien (TL); ca. 5 mm; metallisch graue Mikrokristalle in Tiemannit-Naumannit-Umangit-Vererzung; Material untersucht vo...

Collection: Marco Gabriel Collection
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: guslis 2020-07-13
Locality: El Chire Selen-Lagerstätte / Villa Castelli / General Lamadrid, Departamento / La Rioja, Provinz / Argentinien

Collectors Summary

Color silbergrau
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 5
Cleavages keine
Fracture keiner
Crystal System monoklin, P21/c

Chemism

Chem­ical formula

Ag2Pd3Se4

Chem­ical com­po­si­tion

Palladium, Selen, Silber

Unit weight: 850.85144 u; Number of atoms in the formula: 9

Info

Empirical formula:

Ag2Pd3Se4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Selenium

Se

37.12

4

44.44

78.9630000

315.8520000

Palladium

Pd

37.52

3

33.33

106.4210000

319.2630000

Silver

Ag

25.36

2

22.22

107.8682200

215.7364400

Anal­y­sis wt%

Ø Ag : 25.09, Pd : 37.64, Se : 36.39, PLT : 37.64 (Ref: Mineralogical Magazine 98)

Strunz 9th edi­tion incl. updates

2.BC.15

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
C: mit Rhodium (Rh), Palladium (Pd), Platin (Pt), usw.
15:Chrisstanleyit-Gruppe

Lapis Clas­sifica­tion

II/A.06-030

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
6: mit Metallen der Platin-gruppe (v.a. Pd)

Clas­sifica­tion by Hölzel

2.BC.270

2: SULFIDES
B: Sulfides (etc) with Me/S > 1/1 (mostly 2/1)
C: With Pd
2: Telargpalite-Sopcheite-Group (with Te)

Dana 8th edi­tion

02.16.10.02

02: Sulfide Minerals
16: Sulfides - Including Selenides and Tellurides with miscellaneous formulae
10: Chrisstanleyite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

silbergrau

Streak color

schwarz

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Pleochro­ism

sehr schwach von hellgelbbraun nach graugrün-gelbbraun

Bireflectance

schwach bis moderat

Anisotropism

moderat

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell param­e­ters a (Å)

5.676

Cell param­e­ters b (Å)

10.342

Cell param­e­ters c (Å)

6.341

Cell param­e­ters a/b or c/a

0.549

Cell param­e­ters c/b

0.613

Cell param­e­ters α

90°

Cell param­e­ters β

115.0

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

337.35

X-Ray Pow­der Diffrac­tion

2.868(50),
2.742(100),
2.688(80),
2.521(20),
2.367(50),
1.956(100),
1.918(20),
1.829(30)

XRD chart Chrisstanleyite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

395 (100g)

Density (g/cm³)

8.31

8.376 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

keiner

Tenac­ity

geringfügig spröde

(Co-)Type locality

(Co-)Type locality

UK/England/Devon Co./South Devon/Torquay/Hope's Nose

Type mate­r­ial

Institut für Mineralogie, Universität Salzburg
The Natural History Museum, London

Col­lec­tion number of type mate­r­ial

II/A 1070 (Salzburg)
BM 1997,59 (London)

Preface

Occurrences

palladium- und silberhaltiges Gold, Fischesserit, Clausthalit, Eucairit, Tiemannit, Umangit

Name from

Der Name ehrt Dr. Chris J. Stanley (Nottingham 1954 - ) vom Natural History Museum in London.

Author (Name, Year)

Paar & Roberts & Criddle & Topa, 1998

References

Mineralogical Magazine 62 (1998), 257

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

Jagüéite

Cu2Pd3Se4

monoklin : 2/m : P21/c

2.BC.15

Chrisstanleyite

Ag2Pd3Se4

monoklin : 2/m : P21/c

2.BC.15

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

Vasilite

(Pd,Cu)16(S,Te)7

kubisch : 43m : I43m

II/A.06-005

Oosterboschite

(Pd,Cu)7Se5

II/A.06-010

Luberoite

Pt5Se4

monoklin : 2/m : P21/c

II/A.06-020

Jagüéite

Cu2Pd3Se4

monoklin : 2/m : P21/c

II/A.06-025

Chrisstanleyite

Ag2Pd3Se4

monoklin : 2/m : P21/c

II/A.06-030

Tischendorfite

Pd8Hg3Se9

orthorhombisch : mmm : Pmmn

II/A.06-040

Jacutingaite

Pt2HgSe3

trigonal : 3m : P3m1

II/A.06-050

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

Telargpalite

(Pd,Ag)3(Te,Bi,Pb)

kubisch : 43m : F43m

2.BC.200

Keithconnite

Pd20Te7

trigonal : 3 : R3

2.BC.210

Vasilite

(Pd,Cu)16(S,Te)7

kubisch : 43m : I43m

2.BC.220

Telluropalladinite

Pd9Te4

monoklin : 2/m : P21/c

2.BC.230

Sopcheite

Ag4Pd3Te4

orthorhombisch : mmm : Cmca

2.BC.240

Temagamite

Pd3HgTe3

trigonal : 3m : P3m1

2.BC.260

Tischendorfite

Pd8Hg3Se9

orthorhombisch : mmm : Pmmn

2.BC.265

Chrisstanleyite

Ag2Pd3Se4

monoklin : 2/m : P21/c

2.BC.270

Jagüéite

Cu2Pd3Se4

monoklin : 2/m : P21/c

2.BC.275

Borovskite

Pd3SbTe4

kubisch : m3m : Fm3m

2.BC.280

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

Sopcheite

Ag4Pd3Te4

orthorhombisch : mmm : Cmca

02.16.10.01

Chrisstanleyite

Ag2Pd3Se4

monoklin : 2/m : P21/c

02.16.10.02

Jagüéite

Cu2Pd3Se4

monoklin : 2/m : P21/c

02.16.10.03

Henryite

Cu4Ag3Te4

02.16.11.01

Furutobeite

(Cu,Ag)6PbS4

monoklin : 2, m, 2/m : C2, Cm, C2/m

02.16.12.01

Schlemaite

(Cu,Ag)6(Pb,Bi)Se4

monoklin : 2/m : P21/m

02.16.12.02

Stützite

Ag5-xTe3 {x = 0.24-0.36}

hexagonal : 6m2 : P62m

02.16.13.01

Gortdrumite

Cu18FeHg6S16

02.16.14.01

Rickardite

Cu3-xTe2

orthorhombisch : mmm : Pmmn

02.16.15.01

Oosterboschite

(Pd,Cu)7Se5

02.16.15.02

Maucherite

Ni11As8

tetragonal : 422, 422 : P41212, P43212

02.16.16.01

Athabascaite

Cu5Se4

02.16.17.01

Penzhinite

(Ag,Cu)4Au(S,Se)4

hexagonal : 622 : P6322

02.16.18.01

Palladseite

Pd17Se15

kubisch : m3m : Pm3m

02.16.19.01

'Miassite'

Rh17S15

kubisch : m3m : Pm3m

02.16.19.02

IMA Number

IMA 1996-044

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

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