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Melonite

Pictures (8 Images total)

Melonit
Views (File:
1355223370
): 2038
Melonit
Größe: 57x34x26 mm; Fundort: Kalgoorlie-Boulder City, Region Goldfields-Esperance, Western Australia, Australien
Copyright: Dan Weinrich; Contribution: slugslayer
Location: Australien/Western Australia/Goldfields-Esperance, Region/Kalgoorlie-Boulder City
Mineral: Melonite
Image: 1355223370
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Melonit

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

Copyright: Dan Weinrich
Contribution: slugslayer 2012-12-11
Locality: Kalgoorlie-Boulder City / Goldfields-Esperance, Region / Western Australia / Australien
Melonit
Views (File:
1355223427
): 1473
Melonit
Bildbreite: 17 mm; Fundort: lt. Etikett "South Cross Mine", Western Australia, Australien
Copyright: Mabu; Contribution: slugslayer
Collection: Mabu
Location: Australien/Western Australia
Mineral: Melonite
Image: 1355223427
License: Usage for Mineralienatlas project only
Melonit

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

Collection: Mabu
Copyright: Mabu
Contribution: slugslayer 2012-12-11
Locality: Western Australia / Australien
Melonit
Views (File:
1355223461
): 1728
Melonit
Bildbreite: 20 mm; Fundort: lt. Etikett "South Cross Mine", Western Australia, Australien
Copyright: Mabu; Contribution: slugslayer
Collection: Mabu
Location: Australien/Western Australia
Mineral: Melonite
Image: 1355223461
License: Usage for Mineralienatlas project only
Melonit

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

Collection: Mabu
Copyright: Mabu
Contribution: slugslayer 2012-12-11
Locality: Western Australia / Australien
Melonit
Views (File:
1355225987
): 1267
Melonit
Größe: 32x25x11 mm; Fundort: Cresson Mine, Cripple Creek District, Teller Co., Colorado, USA
Copyright: Rock Currier; Contribution: slugslayer
Collection: National Museum of Natural History (Smithsonian Institution)
Location: USA/Colorado/Teller Co./Cripple Creek District/Eclipse Gulch/Cresson Mine
Mineral: Melonite
Image: 1355225987
License: Usage for Mineralienatlas project only
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
Locality: Cresson Mine / Eclipse Gulch / Cripple Creek District / Teller Co. / Colorado / USA
Melonit
Views (File:
1569748679
): 418
Melonit
Australien/Western Australia/Goldfields-Esperance, Region/Kalgoorlie-Boulder City/Cowarna Downs Station/Karonie Mine. Bildbreite 1,3 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Australien/Western Australia/Goldfields-Esperance, Region/Kalgoorlie-Boulder City/Cowarna Downs Station/Karonie Mine
Mineral: Melonite
Image: 1569748679
License: Usage for Mineralienatlas project only
Melonit

Australien/Western Australia/Goldfields-Esperance, Region/Kalgoorlie-Boulder City/Cowarna Downs Station/Karonie Mine. Bildbreite 1,3 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2019-09-29
Locality: Karonie Mine / Cowarna Downs Station / Kalgoorlie-Boulder City / Goldfields-Esperance, Region / Western Australia / Australien
Melonit
Views (File:
1601810039
): 237
Melonit
Tafliger, etwa 4 mm breiter Melonitkristall mit kleinen aufgewachsenen Goldkriställchen aus der Cresson Mine am Cripple Creek in Colorado.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: Au-Gold-2-1-131
Location: USA/Colorado/Teller Co./Cripple Creek District/Eclipse Gulch/Cresson Mine
Mineral: Melonite
Image: 1601810039
License: Usage for Mineralienatlas project only
Melonit (SNr: Au-Gold-2-1-131)

Tafliger, etwa 4 mm breiter Melonitkristall mit kleinen aufgewachsenen Goldkriställchen aus der Cresson Mine am Cripple Creek in Colorado.

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-10-04
Locality: Cresson Mine / Eclipse Gulch / Cripple Creek District / Teller Co. / Colorado / USA

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

Preface

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

Other languages

German

Melonit

Spanish

Melonita

French

Melonite

English

Melonite

Russian

Мелонит

Simplified Chinese

碲镍矿

Alternative Name

English

Tullurnickel

CNMNC symbol

Symbol

Mlt

Locations with GPS information