Dienerite Mineral Data

General Dienerite Information

Chemical Formula:

Ni3As

Composition:

Molecular Weight = 250.99 gm

Nickel 70.15 % Ni

Arsenic 29.85 % As

______

100.00 %

Empirical Formula:

Ni₃As

Environment:

Known only from one loose crystal. A questionable species. Dienerite (1921) is now regarded as nickel-skutterudite.

IMA Status:

Discredited IMA 2006 - Valid Species (Pre-IMA) 1921

Locality:

Near Radstadt, Salzburg, Austria. Link to MinDat.org Location Data.

Name Origin:

Named after Karl Diener (1862-1928), Austrian paleontologist from Vienna who discovered the mineral.

Name Pronunciation:

Dienerite + Pronunciation

Dienerite Image

Images:

Dienerite Nickelskutterudite

Comments: Aggregate of silver-gray nickelskutterudite cubes, some tarnished to a brassy color. Dienerite is now considered to be nickelskutterudite.
Location: Hasserode, Harz, Germany. Scale: See Image.
© Rruff Database

Dienerite Crystallography

Cell Dimensions:

a = 9.45, Z = 16; V = 843.91 Den(Calc)= 7.90

Crystal System:

Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43d

Physical Properties of Dienerite

Color:

Gray white.

Diaphaneity:

Opaque

Hardness:

3-3.5 - Calcite-Copper Penny

Luster:

Metallic

Calculated Properties of Dienerite

Electron Density:

Bulk Density (Electron Density)=7.37 gm/cc
note: Specific Gravity of Dienerite =7.90 gm/cc.

Fermion Index:

Fermion Index = 0.0079269227
Boson Index = 0.9920730773

Photoelectric:

PE_Dienerite= 49.74 barns/electron
U=PE_Dienerite x rElectron Density= 366.37 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Dienerite is Not Radioactive

Dienerite Classification

Dana Class:

02.02.02.03 (02)Sulfides - Including Selenides and Tellurides

(02.02)where Am Bn Xp, with (m+n):p=3:1

(02.02.02)Domeykite Group

02.02.02.01 Domeykite Cu3As I 43d 4 3m

02.02.02.02 Kutinaite Cu14Ag6As7 P m3m 4/m 3 2/m

02.02.02.03 Dienerite? Ni3As I 43d 4 3m

Strunz Class:

02.EC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.E - Metal Sulfides, M:S £ 1:2

02.EC -M:S = 1:>2

02.EC.05 Dienerite? Ni3As I 43d 4 3m

02.EC.05 Kieftite CoSb3 I m3 2/m 3

02.EC.05 Nickelskutterudite (Ni,Co)As3-x I m3 2/m 3

02.EC.05 Skutterudite (Co,Ni)As3-x I m3 2/m 3

02.EC.05 Ferroskutterudite! (Fe,Co)As3 Im3 2/m 3

Other Dienerite Information

References:

NAME( CanMin, 8/99) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Dienerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Dienerite Specimen Label here :

Dienerite

Ni3As
Dana No: 02.02.02.03 Strunz No: 02.EC.05
Locality:

Notes: