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'._('einklappen').'
 

Langisite (Langisit)

Additional Functions

Collectors Summary

Color blassrosa lederfarben
Hardness (Mohs) 6.25
Crystal System hexagonal, P63/mmc

Chemism

Chemical formula

(Co,Ni)As

Chemical composition

Arsen, Kobalt, Nickel

Unit weight: 133.794857675 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Co0.75Ni0.25)As

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Cobalt

Co

33.04

0.75

37.50

58.9332009

44.1999007
Nickel

Ni

10.97

0.25

12.50

58.6934200

14.6733550
Arsenic

As

56.00

1

50.00

74.9216020

74.9216020

Analysis wt%

Co : 35.50, Ni : 7.00, As : 56.00 (Ref: Canadian Mineralogist 69)

Strunz 9th edition incl. updates

2.CC.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
C: mit Nickel (Ni), Eisen (Fe), Cobalt (Co), usw.
05:Nickelin-Gruppe

Lapis Classification

II/C.20-010

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1
20: Nickelin-Gruppe

Classification by Hölzel

2.CC.340

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
C: With Pd,Pt, etc. - Coordination Number ~[4], Planar
3: Coordination Number ~[3+3] Nickeline-Group

Dana 8th edition

02.08.11.09

02: Sulfide Minerals
08: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
11: Nickeline Group (Hexagonal: P63/mmc)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blassrosa lederfarben

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

3.538

Cell parameters b (Å)

-

Cell parameters c (Å)

5.127

Cell parameters a/b or c/a

1.449

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volumne (ų)

55.579

X-Ray Powder Diffraction

2.631(100),
1.966(90),
1.770(80),
1.493(40),
1.470(30),
1.315(30),
1.141(30),
1.022(30)
XRD chart Langisite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6.25

VHN (Hardness Vickers)

825 (50g)

Density (g/cm³)

8.17

7.994 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/Ontario/Timiskaming District/Cobalt-Gowganda-Region/Cobalt Area/Casey Township/Langis Mine

Preface

Author (Name, Year)

Petruk & Harris & Stewart, 1969

References

Canadian Mineralogist 9 (1969), 597

Other languages

German

Langisit

Spanish

Langisita

English

Langisite

French

Langisite

Russian

Лангисит

CNMNC (IMA)-Number

IMA 1968-023

CNMNC symbol

Symbol

Lgi