Stutzite Mineral Data

Stutzite Mineral Data +

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General Stutzite Information

Chemical Formula:

Ag5-xTe3,(x=0.24-0.36)

Composition:

Molecular Weight = 889.78 gm

Silver 56.98 % Ag

Tellurium 43.02 % Te

______

100.00 %

Empirical Formula:

Ag_4.7Te₃

Environment:

As replacement masses in hydrothermal deposits associated with other tellurides and sulfides.

IMA Status:

Approved IMA 1964

Locality:

Sacaramb, Romania. Link to MinDat.org Location Data.

Name Origin:

Named for Andreas Stutz (1747-1806), Austrian mineralogist.

Synonym:

Stuetzite

Stutzite Image

Images:

Stutzite

Comments: Dull black stutzite grains in white-green calcite.
Location: Mina Bambollita, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Stutzite Crystallography

Axial Ratios:

a:c = 1:0.62861

Cell Dimensions:

a = 13.49, c = 8.48, Z = 7; V = 1,336.44 Den(Calc)= 7.74

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.16(1), 2.55(0.8), 3.03(0.7),

Physical Properties of Stutzite

Color:

Gray, Dark bronze.

Density:

Diaphaniety:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Streak:

lead gray

Optical Properties of Stutzite

RL Anisotrophism:

Moderate, in gray reddish brown-blue.

RL Color:

Light gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Stutzite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	41.40	43.80
420 nm	41.40	43.50
440 nm	41.40	43.20
460 nm	41.30	42.80
480 nm	41.20	42.40
500 nm	41.10	41.90
520 nm	40.90	41.30
540 nm	40.80	40.70
560 nm	40.60	40.00
580 nm	40.60	39.40
600 nm	40.60	38.90
620 nm	40.60	38.30
640 nm	40.70	37.80
660 nm	41.00	37.30
680 nm	41.20	36.80
700 nm	41.40	36.40

**Calculated Relative Intensity Colors of Stutzite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	230%
R₁
R₂

Calculated Properties of Stutzite

Electron Density:

r_electron=6.56 gm/cc
note: r_Stutzite=7.74 gm/cc.

Fermion Index

Fermion Index = 0.03437
Boson Index = 0.96563

Photoelectric:

PE_Stutzite= 309.03 barns/electron
U=PE_Stutzite x r_electron=2,026.35 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Stutzite is Not Radioactive

Stutzite Classification

Dana Class:

2.16.13.1 (2)Sulfides - Including Selenides and Tellurides

(2.16)with miscellaneous formulae

(2.16.13)Dana Group

2.16.13.1 Stutzite Ag5-xTe3,(x=0.24-0.36) P 6/mmm 6/m 2/m 2/m

Strunz Class:

II/B.05-80 II - Sulfides and sulphosalts

II/B - Sulfides with metal: sulfur, selenium and tellurium > 1:1, Sulfides, Selenides and Tellurides with predominant Copper and Silver/Gold

II/B.05 - Achantite - Empresite series

II/B.05-02 Argentite* Ag2S I m3m 4/m 3 2/m

II/B.05-10 Acanthite Ag2S P 2₁/n 2/m

II/B.05-30 Naumannite Ag2Se P 2₁2₁2₁ 2 2 2

II/B.05-35 Kurilite* (Ag,Au)2(Te,Se,S) P m3n,P 4₃n Cubic

II/B.05-40 Hessite Ag2Te P 2₁/c 2/m

II/B.05-50 Aguilarite Ag4SeS P 2₁2₁2₁ 2 2 2

II/B.05-60 Cervelleite Ag4TeS Unk Cubic

II/B.05-70 Benleonardite Ag8(Sb,As)Te2S3 Tetra Tetra

II/B.05-75 Tsnigriite Ag9SbTe3(S,Se)3 P 2/m,Pm Mono

II/B.05-80 Stutzite Ag5-xTe3,(x=0.24-0.36) P 6/mmm 6/m 2/m 2/m

II/B.05-90 Empressite AgTe Pmnb 2/m 2/m 2/m

Other Stutzite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Stutzite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Translate Stutzite Mineral Data :

Ask about Stutzite here :
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Print or Cut-and-Paste your Stutzite Specimen Label here :

Stutzite

Ag5-xTe3,(x=0.24-0.36)
Dana No: 2.16.13.1 Strunz No: II/B.05-80
Locality:

Notes: