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Melonite (Melonit)

Introduction

Melonit

Pictures (3 Images total)

Melonit
Views (Image: 1355223427): 266
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): 283
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): 281
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

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

2.12.14.1

IMA status

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

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 )

Solubility

+++ 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

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]

Berndtite-2T

SnS2

trigonal

P3m1

3m

2.EA.330

Berndtite-4H

SnS2

hexagonal

P63mc

6mm

2.EA.340

Kitkaite

NiTeSe

trigonal

P3m1

3m

2.EA.300

Kotulskite

Pd(Te,Bi)2-x {x ≈ 0.4}

hexagonal

P63/mmc

6/mmm

2.EA.360

Melonite

NiTe2

trigonal

P3m1

3m

2.EA.310

Merenskyite

PdTe2

trigonal

P3m1

3m

2.EA.370

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal

P3m1

3m

2.EA.380

Shuangfengite

IrTe2

trigonal

P3m1

3m

2.EA.390

Sudovikovite

PtSe2

trigonal

P3m1

3m

2.EA.385

Other languages

Russian

Мелонит

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

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German pages

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International pages

FabreMinerals.com - search for: Melonite