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Orcelite

Pictures (2 Images total)

Orcelit
Views (File:
1408445118
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Orcelit
Avebury Nickelgrube, Zeehan, Tasmanien, Australien. Bildbreite 2,5 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Australien/Tasmanien/West Coast Municipality/Zeehan District/Avebury Ni-Lagerstätten
Mineral: Orcelite
Image: 1408445118
License: Usage for Mineralienatlas project only
Orcelit

Avebury Nickelgrube, Zeehan, Tasmanien, Australien. Bildbreite 2,5 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-08-19
Locality: Avebury Ni-Lagerstätten / Zeehan District / West Coast Municipality / Tasmanien / Australien
Orcelit
Views (File:
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Orcelit
Steinbruch Heimberg Wolfshagen; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Deutschland/Niedersachsen/Goslar, Landkreis/Langelsheim/Wolfshagen im Harz/Steinbruch Am Heimberg
Mineral: Orcelite
Image: 1576867701
License: Usage for Mineralienatlas project only
Orcelit

Steinbruch Heimberg Wolfshagen; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2019-12-20
Locality: Steinbruch Am Heimberg / Wolfshagen im Harz / Langelsheim / Goslar, Landkreis / Niedersachsen / Deutschland

Collectors Summary

Color gelb-weiß
Lustre Metallglanz
Crystal System hexagonal, P63cm

Chemism

Chemical formula

Ni5-xAs2 {x = 0.23}

Chemical composition

Arsen, Nickel

Unit weight: 429.8108174 u; Number of atoms in the formula: 6.77

Info

Empirical formula:

Ni4.77As2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Nickel

Ni

65.14

4.77

70.46

58.6934200

279.9676134

Arsenic

As

34.86

2

29.54

74.9216020

149.8432040

Analysis wt%

Ni : 65.50, As : 33.90 (Ref: Canadian Mineralogist 84)

Strunz 9th edition incl. updates

2.AB.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
A: Legierungen und legierungsartige Verbindungen
B: Nickel (Ni) Halbmetallverbindungen
10:Orcelit-Gruppe

Lapis Classification

II/A.04-020

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
4: mit Kupfer, Silber, Gold und Nickel

Classification by Hölzel

2.AB.100

2: SULFIDES
A: Alloys of Cu,Ag,Au,Ni,Pd with As,Sb,Bi,(Te)
B: With Ni
1: Orcelite, Maucherite-Group

Hey's Chemical Index of Minerals

03.11.25

03: Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
11: Sulphides etc. of Ni

Dana 8th edition

02.03.02.01

02: Sulfide Minerals
03: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=5:2

IMA status

anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb-weiß

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Pleochroism

wenig

Anisotropism

wahrnehmbar ohne ausgeprägte Farben

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 42.30, , 42.30
(420) 42.90, , 42.90
(440) 43.60, , 43.60
(460) 44.50, , 44.50
(480) 45.50, , 45.50
(500) 46.70, , 46.70
(520) 47.80, , 47.80
(540) 49.10, , 49.10
(560) 50.50, , 50.50
(580) 51.80, , 51.80
(600) 53.30, , 53.30
(620) 54.70, , 54.70
(640) 56.00, , 56.00
(660) 57.20, , 57.20
(680) 58.20, , 58.20
(700) 59.00, , 59.00

Reflection chart Orcelite

Reflectivity Ø

50.19

Crystallography

Crystal System

hexagonal

Class (H-M)

6mm

Space Group number

185

Space Group

P63cm

Cell parameters a (Å)

6.815

Cell parameters b (Å)

-

Cell parameters c (Å)

12.489

Cell parameters a/b or c/a

1.833

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

6

Volume (ų)

502.331

X-Ray Powder Diffraction

2.11(40),
1.977(100),
1.918(100),
1.81(40),
1.737(40),
1.65(30),
1.63(30),
1.38(40)

XRD chart Orcelite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

8.5 (berechnet)

8.524 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Neukaledonien/Nordprovinz/Koumac/Tiébaghi Massiv

Preface

Author (Name, Year)

Caillère & Avias & Falgueirettes, 1959

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 363

Other languages

German

Orcelit

Spanish

Orcelita

French

Orcelite

English

Orcelite

Russian

Орселит

Simplified Chinese

六方砷镍矿

Alternative Name

Simplified Chinese

褐砷镍矿

CNMNC symbol

Symbol

Orc

Locations with GPS information

IDs

GUSID (Global unique identifier short form) JZE4EatrXUaeVX4aUDk99w
GUID (Global unique identifier) 11389125-6BAB-465D-9E55-7E1A50393DF7
Database ID 2831