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Molybdenite-2H (Molybdänit-2H)

Collectors Summary

Color bleigrau
Lustre Metallglanz
Hardness (Mohs) 2
Solubility +++ HNO3, Königswasser
Crystal System hexagonal, P63/mmc

Additional information / Summary

Polytyp von Molybdänit

Chemism

Chem­ical formula

MoS2

Addi­tional chem. informa­tion

Polytyp von Molybdänit

Chem­ical com­po­si­tion

Molybdän, Schwefel

Unit weight: 160.073 u; Number of atoms in the formula: 3

Info

Empirical formula:

MoS2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

40.06

2

66.67

32.0655000

64.1310000

Molybdenum

Mo

59.94

1

33.33

95.9420000

95.9420000

Anal­y­sis wt%

Mo : 59.97, S : 40.03 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

2.EA.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
A: M:S = 1:2, mit Cu, Ag, Au; Ni, Sn, PGE, Mo, W
30:Molybdänit-Gruppe

Clas­sifica­tion by Hölzel

2.EA.500

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
A: Me/S=1/2 with Cu,Ag,Au, etc.
5: Molybdenite-Group

Min­eral sta­tus

Polytype

Var­i­ety / poly­type of

Molybdenite

Optical Properties

Color

bleigrau

Change in color

weiß in reflektiertem Licht

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Pleochro­ism

sehr ausgeprägt

Anisotropism

extrem

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(470) 21.40, 44.70, 33.1
(546) 19.50, 38.55, 29.0
(589) 19.05, 38.80, 28.9
(650) 18.70, 39.40, 29.1

Reflection chart Molybdenite-2H

Reflec­tiv­ity Ø

30.01

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell param­e­ters a (Å)

3.16

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

12.32

Cell param­e­ters a/b or c/a

3.899

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

106.541

X-Ray Pow­der Diffrac­tion

6.28(100),
2.74(30),
2.28(90),
2.04(20),
1.824(60),
1.578(40),
1.530(40),
1.296(20)

XRD chart Molybdenite-2H

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

Physical Properties

Hard­ness (Mohs)

2

VHN (Hard­ness Vick­ers)

29

Density (g/cm³)

4.84 (gemessen)

4.989 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HNO3, Königswasser

References

Handbook of Mineralogy Vol I p336

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

Jordisite

MoS2

amorph

2.EA.30

'Castaingite'

CuMo2S5

2.EA.30

Drysdallite

Mo(Se,S)2

hexagonal : 6/mmm : P63/mmc

2.EA.30

Tungstenite

WS2

hexagonal : 6/mmm : P63/mmc

2.EA.30

Molybdenite

MoS2

2.EA.30

'Dzhezkazganite'

ReMoCu2PbS6

2.EA.30

'Molybdenite-2H' (Pol.v. Molybdenite)

MoS2

hexagonal : 6/mmm : P63/mmc

2.EA.30

'Molybdenite-3R' (Pol.v. Molybdenite)

MoS2

trigonal : 3m : R3m

2.EA.30

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

Molybdenite

MoS2

2.EA.50

'Molybdenite-2H' (Pol.v. Molybdenite)

MoS2

hexagonal : 6/mmm : P63/mmc

2.EA.500

Tungstenite

WS2

hexagonal : 6/mmm : P63/mmc

2.EA.510

Drysdallite

Mo(Se,S)2

hexagonal : 6/mmm : P63/mmc

2.EA.520

'Molybdenite-3R' (Pol.v. Molybdenite)

MoS2

trigonal : 3m : R3m

2.EA.530

Jordisite

MoS2

amorph

2.EA.540

'Castaingite'

CuMo2S5

2.EA.560

Rheniite

ReS2

triklin : 1 : P1

2.EA.580

'Dzhezkazganite'

ReMoCu2PbS6

2.EA.590

Other languages

Spanish

Molibdenita-2H

English

Molybdenite-2H

German

Molybdänit-2H

Russian

Молибденит-2H

Russian

Молибденит-2H1

Alternative Name

Molybdenite-2H1

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Molybdänit-2H
Google-Bilder-Suche - search for: Molybdänit-2H
Mineralogisch-Petrographisches-Institut Hamburg - search for: Molybdänit-2H

English pages

Mindat - search for: Molybdenite-2H
Webmineral - search for:Molybdenite-2H
Handbook-of-Mineralogy - search for: Molybdenite-2H
RRUFF - Raman, XRD and other mineral data - search for: Molybdenite-2H
RRUFF - References and PDF downloads - search for: Molybdenite-2H
American-Mineralogist-Crystal-Structure-Database - search for: Molybdenite-2H
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Russian pages

Webmineral.ru - search for: Молибденит-2H1

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Molybdänit-2H
Crystal-Treasure.com - search for: Molybdänit-2H
Bosse - search for: Molybdänit-2H

Locations with GPS information