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Stützite

Pictures (2 Images total)

Stützit
Views (Image: 1219772224): 1106
Stützit

Mina Moctezuma (Bambolla), Sonora, Mexico. 3,7 x 3,3 cm

Copyright: Rob Lavinsky
Contribution: Collector 2008-08-26
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Tellur und Stützit
Views (Image: 1602950717): 182
Tellur und Stützit (SNr: Moc-Te-3-1-1)

Diese reiche Stufe zeigt viel metallisch glänzendes, gediegenes Tellur. Mit ihm verwachsen und nur erzmikroskopisch nachweisbar findet sich das seltene Mineral Stützit. Die Stufe stammt aus der Bam...

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-10-17
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko

Collectors Summary

Color bleigrau
Streak color grauschwarz
Lustre Metallglanz
Hardness (Mohs) 3.5
Fracture submuschelig
Solubility +++ HNO3
Crystal System hexagonal, P62m

Chemism

Chem­ical formula

Ag5-xTe3 {x = 0.24-0.36}

Empir­ical formula (anal­y­sis)

Ag4.76Te3

Chem­ical com­po­si­tion

Silber, Tellur

Unit weight: 896.2617272 u; Number of atoms in the formula: 7.76

Info

Empirical formula:

Ag4.76Te3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Silver

Ag

57.29

4.76

61.34

107.8682200

513.4527272

Tellurium

Te

42.71

3

38.66

127.6030000

382.8090000

Strunz 9th edi­tion incl. updates

2.BA.65

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
A: mit Kupfer (Cu), Silber (Ag), Gold (Au)
65:Stützit-Gruppe

Lapis Clas­sifica­tion

II/B.05-080

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
B: Sulfide, Selenide und Telluride mit Verhältnis Metall : S,Se,Te > 1:1
5: Sulfide, Selenide und Telluride mit vorwiegend Kupfer und Silber/Gold

Clas­sifica­tion by Hölzel

2.BA.650

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

Hey's Chem­ical Index of Min­er­als

03.02.07

03: Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
02: Sulphides etc. of Ag

Dana 8th edi­tion

02.16.13.01

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

IMA sta­tus

Neudefinition von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

bleigrau

Streak color

grauschwarz

Change in color

grauweiß in reflektiertem Licht

Lus­tre

Metallglanz

Anisotropism

moderat

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 41.20, 42.90, 42.05
(420) 41.20, 42.50, 41.85
(440) 41.20, 42.00, 41.60
(460) 41.20, 41.60, 41.40
(480) 41.20, 41.30, 41.25
(500) 41.10, 41.10, 41.10
(520) 41.00, 40.80, 40.90
(540) 40.80, 40.40, 40.60
(560) 40.70, 40.00, 40.35
(580) 40.60, 39.50, 40.05
(600) 40.60, 39.00, 39.80
(620) 40.60, 38.70, 39.65
(640) 40.70, 38.30, 39.50
(660) 40.80, 37.90, 39.35
(680) 40.90, 37.40, 39.15
(700) 41.10, 37.00, 39.05

Reflection chart Stützite

Reflec­tiv­ity Ø

40.48

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6m2

Space Group number

189

Space Group

P62m

Cell param­e­ters a (Å)

13.456

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

16.917

Cell param­e­ters a/b or c/a

1.257

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

14

Volumne (ų)

2652.687

X-Ray Pow­der Diffrac­tion

3.58(40),
3.53(50),
3.05(60),
2.63(60),
2.57(70),
2.55(60),
2.18(100),
2.17(60)

XRD chart Stützite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

82 (25g)

Density (g/cm³)

8.00 (gemessen) 7.8 (berechnet)

7.854 ( ρ calc. Mineralienatlas )

Frac­ture

submuschelig

Tenac­ity

spröde

Insta­bil­ity

+++ HNO3

(Co-)Type locality

(Co-)Type locality

Rumänien/Hunedoara, Kreis/Sacarimb (Nagyag)

Preface

Name from

Andreas Xavier Stütz (1747–1806), Mineraloge aus Wien, Österreich

Author (Name, Year)

Schrauf, 1878

References

American Mineralogist 36 (1951), 458.

American Mineralogist 49 (1964), 325.

American Mineralogist 50 (1965), 795.

American Mineralogist 53 (1968), 1513

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1980) 109, 60.

Handbook of Mineralogy (Anthony u.w.), 1 (1990), 504.

Zeitschrift für Anorganische und Allgemeine Chemie 622 (1996), 1823.

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

Henryite

Cu4Ag3Te4

2.BA.65

Stützite

Ag5-xTe3 {x = 0.24-0.36}

hexagonal : 6m2 : P62m

2.BA.65

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

Acanthite

Ag2S

monoklin : 2/m : P21/n

II/B.05-010

Naumannite

Ag2Se

orthorhombisch : 222 : P212121

II/B.05-030

Hessite

Ag2Te

monoklin : 2/m : P21/c

II/B.05-040

Aguilarite

Ag4SeS

II/B.05-050

Cervelleite

Ag4TeS

monoklin : 2/m : P21/n

II/B.05-060

Tsnigriite

Ag9SbTe3S3

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

II/B.05-075

Stützite

Ag5-xTe3 {x = 0.24-0.36}

hexagonal : 6m2 : P62m

II/B.05-080

Chenguodaite

Ag9FeTe2S4

II/B.05-085

Empressite

AgTe

orthorhombisch : mmm : Pmnb

II/B.05-090

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]

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

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

Acanthite

Ag2S

monoklin : 2/m : P21/n

03.02.01

Aguilarite

Ag4SeS

03.02.04

Stützite

Ag5-xTe3 {x = 0.24-0.36}

hexagonal : 6m2 : P62m

03.02.07

Other languages

Spanish

Stuetzita / Stützita

German

Stützit

French

Stützite

English

Stützite

Russian

Штютцит

Japanese

スチウツ鉱

Alternative Name

German

Stuetzit

Spanish

Stuetzita

Spanish

Stützita

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