Matraite Mineral Data

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.

IMA Status:

Valid Species (Pre-IMA) 1958

Locality:

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

Name Origin:

Name for the locality.

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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.

Diaphaniety:

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:

r_electron=3.90 gm/cc
note: r_Matraite=4.13 gm/cc.

Fermion Index

Fermion Index = 0.02997
Boson Index = 0.97003

Photoelectric:

PE_Matraite= 35.76 barns/electron
U=PE_Matraite x r_electron= 139.42 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Matraite is Not Radioactive

Matraite Classification

Dana Class:

2.8.15.1 (2)Sulfides - Including Selenides and Tellurides

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

(2.8.15)Dana Group

2.8.15.1 Matraite ZnS R 3m 3m

Strunz Class:

II/C.13-20 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.13 - Wurtzite series

II/C.13-10 Wurtzite (Zn,Fe)S P 6₃mc 6mm

II/C.13-20 Matraite ZnS R 3m 3m

II/C.13-30 Greenockite CdS P 6₃mc 6mm

II/C.13-40 Cadmoselite CdSe P 6₃mc 6mm

II/C.13-50 Rambergite! MnS P 6₃mc 6mm

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 -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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Matraite

ZnS
Dana No: 2.8.15.1 Strunz No: II/C.13-20
Locality:

Notes: