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Melonite (Melonit)

Pictures (8 Images total)

Melonit
Views (Image: 1355223370): 1827
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 (Image: 1355223427): 1319
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 (Image: 1355223461): 1578
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 (Image: 1355225987): 1169
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 (Image: 1569748679): 325
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 (Image: 1601810039): 153
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

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

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

2.EA.20

Merenskyite

PdTe2

trigonal : 3m : P3m1

2.EA.20

Sudovikovite

PtSe2

trigonal : 3m : P3m1

2.EA.20

Tilkerodeite

Pd2HgSe3

trigonal : 3m : P3m1

2.EA.20

Jacutingaite

Pt2HgSe3

trigonal : 3m : P3m1

2.EA.20

Mitrofanovite

Pt3Te4

trigonal : 3m : R3m

2.EA.20

Shuangfengite

IrTe2

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 : 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 : 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

Alternative Name

English

Tullurnickel

CNMNC symbol

Symbol

Mlt

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 - Raman, XRD and other mineral data - search for: Melonite
RRUFF - References and PDF downloads - 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

hausen - Mineralgroßhandel - search for: Melonit
Crystal-Treasure.com - search for: Melonit
Bosse - search for: Melonit

Locations with GPS information