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Melonite (Melonit)

Pictures (4 Images total)

Melonit
Views (Image: 1355223370): 709
Melonit

Größe: 57x34x26 mm; Fundort: Kalgoorlie-Boulder City, Region Goldfields-Esperance, Western Australia, Australien

Copyright: Dan Weinrich
Contribution: slugslayer 2012-12-11
Melonit
Views (Image: 1355223427): 601
Melonit

Bildbreite: 17 mm; Fundort: lt. Etikett "South Cross Mine", Western Australia, Australien

Collection: Mabu
Copyright: Mabu
Contribution: slugslayer 2012-12-11
Melonit
Views (Image: 1355223461): 737
Melonit

Bildbreite: 20 mm; Fundort: lt. Etikett "South Cross Mine", Western Australia, Australien

Collection: Mabu
Copyright: Mabu
Contribution: slugslayer 2012-12-11
Melonit
Views (Image: 1355225987): 614
Melonit

Größe: 32x25x11 mm; Fundort: Cresson Mine, Cripple Creek District, Teller Co., Colorado, USA

Collection: National Museum of Natural History (Smithsonian Institution)
Copyright: Rock Currier
Contribution: slugslayer 2012-12-11

Collectors Summary

Color weiß zu schwach rosa
Streak color dark grau
Hardness (Mohs) 2.5
Solubility +++ HNO3
Crystal System trigonal, P3m1

Chemism

Chemical formula

NiTe2

Chemical composition

Nickel, Tellur

Unit weight: 313.89942 u; Number of atoms in the formula: 3

Info

Empirical formula:

NiTe2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Nickel

Ni

18.70

1

33.33

58.6934200

58.6934200

Tellurium

Te

81.30

2

66.67

127.6030000

255.2060000

Analysis wt%

Ni : 18.31, Te : 80.75, Ag : 0.86 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

2.EA.20

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
20:Melonit-Gruppe

Lapis Classification

II/D.28-030

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
D: Sulfide mit Metall : S,Se,Te < 1:1
28: Melonit-Gruppe

Classification by Hölzel

2.EA.310

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
A: Me/S=1/2 with Cu,Ag,Au, etc.
3: With Ni,Sn,Pd,Pt, etc. - Melonite-Group

Dana 8th edition

02.12.14.01

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2
14: Melonite Group (Trigonal: P-3m1) AX2 type

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß zu schwach rosa

Streak color

dark grau

Diaphaneity (Transparency)

opak

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

164

Space Group

P3m1

Cell parameters a (Å)

3.842

Cell parameters b (Å)

-

Cell parameters c (Å)

5.266

Cell parameters a/b or c/a

1.371

Cell parameters c/b

-

Z

1

Volumne (ų)

67.317

X-Ray Powder Diffraction

2.82(100),
2.63(30),
2.05(50),
1.916(50),
1.589(20),
1.547(60),
1.226(20),
1.083(20)

XRD chart Melonite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5

VHN (Hardness Vickers)

53 (50g)

Density (g/cm³)

7.3

7.743 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3

Author (Name, Year)

Genth, 1868

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 321

Barkov, Andrei Y.; Shvedov, Gennadiy; Flemming, Roberta L.; Vymazalová, Anna; Martin, Robert F. - Melonite from Kingash and Kuskanak, Eastern Sayans, Russia, and the extent of Bi-for-Te substitution in melonite and synthetic Ni(Te,Bi)2-x - Mineralogical Magazine, Appeared or available online: 16. Juni 2016

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

Kitkaite

NiTeSe

trigonal : 3m : P3m1

2.EA.20

Melonite

NiTe2

trigonal : 3m : P3m1

2.EA.20

Merenskyite

PdTe2

trigonal : 3m : P3m1

2.EA.20

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

2.EA.20

Shuangfengite

IrTe2

trigonal : 3m : P3m1

2.EA.20

Sudovikovite

PtSe2

trigonal : 3m : P3m1

2.EA.20

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

Berndtite-2T

SnS2

trigonal : 3m : P3m1

II/D.28-010

Kitkaite

NiTeSe

trigonal : 3m : P3m1

II/D.28-020

Melonite

NiTe2

trigonal : 3m : P3m1

II/D.28-030

Merenskyite

PdTe2

trigonal : 3m : P3m1

II/D.28-040

Shuangfengite

IrTe2

trigonal : 3m : P3m1

II/D.28-045

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

II/D.28-050

Sudovikovite

PtSe2

trigonal : 3m : P3m1

II/D.28-055

Verbeekite

PdSe2

monoklin, monoklin, monoklin : 2/m, 2, m : C2/m, C2, Cm

II/D.28-060

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

Kitkaite

NiTeSe

trigonal : 3m : P3m1

2.EA.300

Melonite

NiTe2

trigonal : 3m : P3m1

2.EA.310

Berndtite-2T

SnS2

trigonal : 3m : P3m1

2.EA.330

Berndtite-4H

SnS2

hexagonal : 6mm : P63mc

2.EA.340

Kotulskite

Pd(Te,Bi)2-x {x ≈ 0.4}

hexagonal : 6/mmm : P63/mmc

2.EA.360

Merenskyite

PdTe2

trigonal : 3m : P3m1

2.EA.370

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

2.EA.380

Sudovikovite

PtSe2

trigonal : 3m : P3m1

2.EA.385

Shuangfengite

IrTe2

trigonal : 3m : P3m1

2.EA.390

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Krennerite

Au3AgTe8

orthorhombisch : mm2 : Pma2

02.12.13.01

Calaverite

AuTe2

monoklin : 2/m : C2/m

02.12.13.02

Sylvanite

AgAuTe4

monoklin : 2/m : P2/c

02.12.13.03

Kostovite

CuAuTe4

orthorhombisch : mm2 : Pma2

02.12.13.04

Melonite

NiTe2

trigonal : 3m : P3m1

02.12.14.01

Kitkaite

NiTeSe

trigonal : 3m : P3m1

02.12.14.02

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

02.12.14.03

Merenskyite

PdTe2

trigonal : 3m : P3m1

02.12.14.04

Shuangfengite

IrTe2

trigonal : 3m : P3m1

02.12.14.06

Sudovikovite

PtSe2

trigonal : 3m : P3m1

02.12.14.07

Froodite

PdBi2

monoklin : 2/m : C2/m

02.12.15.01

Urvantsevite

Pd(Bi,Pb)2

tetragonal : 4/mmm : I4/mmm

02.12.15.02

Verbeekite

PdSe2

monoklin, monoklin, monoklin : 2/m, 2, m : C2/m, C2, Cm

02.12.15.03

Borishanskiite

Pd(As,Pb)2

orthorhombisch : mm2 : Ccm21

02.12.16.01

Skutterudite

CoAs3

kubisch : m3 : Im3

02.12.17.01

Nickelskutterudite

(Ni,Co,Fe)As3

kubisch : m3 : Im3

02.12.17.02

Kieftite

CoSb3

kubisch : m3 : Im3

02.12.17.03

Rheniite

ReS2

triklin : 1 : P1

02.12.18.01

Other languages

Russian

Мелонит

Simplified Chinese

碲镍矿

German

Melonit

Spanish

Melonita

French

Melonite

English

Melonite

Alternative Name

English

Tullurnickel

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

German pages

DeWikiPedia - search for: Melonit
Google-Bilder-Suche - search for: Melonit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Melonit

English pages

Mindat - search for: Melonite
Webmineral - search for: Melonite
Handbook-of-Mineralogy - search for: Melonite
RRUFF Database-of-Raman-spectroscopy - search for: Melonite
American-Mineralogist-Crystal-Structure-Database - search for: Melonite
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Russian pages

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German pages

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