Matraite Mineral Data

General Matraite Information

Chemical Formula:

ZnS

Composition:

Molecular Weight = 97.46 gm

Zinc 67.10 % Zn

Sulfur 32.90 % S

______

100.00 %

Empirical Formula:

ZnS

Environment:

Hydrothermal origin. Matraite (1958) is considered densely twinned columnar sphalerite

IMA Status:

Discredited IMA 2006 - Valid Species (Pre-IMA) 1959

Locality:

Gyöngyösoroszi, Mátra Mountains locality, Heves Co., Hungary. Link to MinDat.org Location Data.

Name Origin:

Name for the locality.

Name Pronunciation:

Matraite

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Matraite Crystallography

Axial Ratios:

a:c = 1:2.47368

Cell Dimensions:

a = 3.8, c = 9.4, Z = 3; V = 117.55 Den(Calc)= 4.13

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m

Physical Properties of Matraite

Cleavage:

{1010} Distinct

Color:

Brownish yellow.

Diaphaneity:

Transparent

Fracture:

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

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Pyramidal - Crystals are shaped like pyramids.

Hardness:

3.5-4 - Copper Penny-Fluorite

Luster:

Vitreous (Glassy)

Streak:

yellow white

Calculated Properties of Matraite

Electron Density:

Bulk Density (Electron Density)=3.90 gm/cc
note: Specific Gravity of Matraite =4.13 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Matraite= 35.76 barns/electron
U=PE_Matraite x rElectron Density= 139.42 barns/cc.

Radioactivity:

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

Matraite Classification

Dana Class:

02.08.15.01 (02)Sulfides - Including Selenides and Tellurides

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

(02.08.15)Dana Group

02.08.15.01 Matraite? ZnS R 3m 3m

Strunz Class:

02.XX.00 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.X - Unclassified Strunz SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarse

02.XX -Sulfide

02.XX.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic

02.XX.00 Bayankhanite? Cu6HgS4 Unk Hex

02.XX.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3

02.XX.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3

02.XX.00 Dilithium* Li2Te P 222 2 2 2

02.XX.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m

02.XX.00 Horsfordite? Cu5Sb Unk Cubic

02.XX.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 4₃n Cubic

02.XX.00 Imgreite? NiTe P 6₃/mmc 6/m 2/m 2/m

02.XX.00 Matraite? ZnS R 3m 3m

02.XX.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic

02.XX.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono

02.XX.00 Jeromite? As(S,Se)2 None

02.XX.00 Parajamesonite? Pb4FeSb6S14 Unk Ortho

02.XX.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 4₂m-,P 42₁2 Tetra

02.XX.00 Prassoite Rh17S15(?) P m3m 4/m 3 2/m

02.XX.00 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono

02.XX.00 Samaniite Cu2Fe5Ni2S8 P 4₁/mmm 4mm

02.XX.00 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m

02.XX.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm

Other Matraite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Matraite :
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 Matraite Specimen Label here :

Matraite

ZnS
Dana No: 02.08.15.01 Strunz No: 02.XX.00
Locality:

Notes: