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Melonite (Melonit)

Pictures (4 Images total)

Melonit
Views (Image: 1355223370): 514
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: 1355223461): 533
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: 1355223427): 446
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: 1355225987): 462
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
More images

Collectors Summary

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

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

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

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

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

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

(Co-)Type locality

(Co-)Type locality

USA/Kalifornien (California)/Calaveras Co./Angels Camp/Carson Hill/Stanislaus Mine

Preface

Reference List

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

Corresponding author (Name, Year)

Genth, 1868

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Kitkaite

NiTeSe

trigonal

P3m1

3m

2.EA.20

Melonite

NiTe2

trigonal

P3m1

3m

2.EA.20

Merenskyite

PdTe2

trigonal

P3m1

3m

2.EA.20

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal

P3m1

3m

2.EA.20

Shuangfengite

IrTe2

trigonal

P3m1

3m

2.EA.20

Sudovikovite

PtSe2

trigonal

P3m1

3m

2.EA.20

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Berndtite-2T

SnS2

trigonal

P3m1

3m

II/D.28-010

Kitkaite

NiTeSe

trigonal

P3m1

3m

II/D.28-020

Melonite

NiTe2

trigonal

P3m1

3m

II/D.28-030

Merenskyite

PdTe2

trigonal

P3m1

3m

II/D.28-040

Shuangfengite

IrTe2

trigonal

P3m1

3m

II/D.28-045

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal

P3m1

3m

II/D.28-050

Sudovikovite

PtSe2

trigonal

P3m1

3m

II/D.28-055

Verbeekite

PdSe2

monoklin, monoklin, monoklin

C2/m, C2, Cm

2/m, 2, m

II/D.28-060

Related minerals "Hoelzel Classification" [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Kitkaite

NiTeSe

trigonal

P3m1

3m

2.EA.300

Melonite

NiTe2

trigonal

P3m1

3m

2.EA.310

Berndtite-2T

SnS2

trigonal

P3m1

3m

2.EA.330

Berndtite-4H

SnS2

hexagonal

P63mc

6mm

2.EA.340

Kotulskite

Pd(Te,Bi)2-x {x ≈ 0.4}

hexagonal

P63/mmc

6/mmm

2.EA.360

Merenskyite

PdTe2

trigonal

P3m1

3m

2.EA.370

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal

P3m1

3m

2.EA.380

Sudovikovite

PtSe2

trigonal

P3m1

3m

2.EA.385

Shuangfengite

IrTe2

trigonal

P3m1

3m

2.EA.390

Related minerals "Dana 8. Classification" [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Krennerite

Au3AgTe8

orthorhombisch

Pma2

mm2

02.12.13.01

Calaverite

AuTe2

monoklin

C2/m

2/m

02.12.13.02

Sylvanite

AgAuTe4

monoklin

P2/c

2/m

02.12.13.03

Kostovite

CuAuTe4

orthorhombisch

Pma2

mm2

02.12.13.04

Melonite

NiTe2

trigonal

P3m1

3m

02.12.14.01

Kitkaite

NiTeSe

trigonal

P3m1

3m

02.12.14.02

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal

P3m1

3m

02.12.14.03

Merenskyite

PdTe2

trigonal

P3m1

3m

02.12.14.04

Shuangfengite

IrTe2

trigonal

P3m1

3m

02.12.14.06

Sudovikovite

PtSe2

trigonal

P3m1

3m

02.12.14.07

Froodite

PdBi2

monoklin

C2/m

2/m

02.12.15.01

Urvantsevite

Pd(Bi,Pb)2

tetragonal

I4/mmm

4/mmm

02.12.15.02

Verbeekite

PdSe2

monoklin, monoklin, monoklin

C2/m, C2, Cm

2/m, 2, m

02.12.15.03

Borishanskiite

Pd(As,Pb)2

orthorhombisch

Ccm21

mm2

02.12.16.01

Skutterudite

CoAs3-x

kubisch

Im3

m3

02.12.17.01

Nickelskutterudite

NiAs2-3

kubisch

Im3

m3

02.12.17.02

Kieftite

CoSb3

kubisch

Im3

m3

02.12.17.03

Rheniite

ReS2

triklin

P1

1

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
Athena - search for: Melonite

Russian pages

Webmineral.ru - search for: Мелонит

Mineral Dealer

German pages

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