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Westerveldite

Pictures (1 Images total)

Westerveldit
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Westerveldit
graue, meatllisch glänzende Massen von Westerveldit, Tunulliarfik Fjord, Ilímaussaq, Narsaq, Kujalleq, Grönland; BB ~ 2 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Grönland/Kommune Kujalleq/Narsaq/Ilimaussaq-Komplex/Tunugdliarfik-Fjord
Mineral: Westerveldite
Image: 1583082304
License: Usage for Mineralienatlas project only
Westerveldit

graue, meatllisch glänzende Massen von Westerveldit, Tunulliarfik Fjord, Ilímaussaq, Narsaq, Kujalleq, Grönland; BB 2 mm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-01
Locality: Tunugdliarfik-Fjord / Ilimaussaq-Komplex / Narsaq / Kommune Kujalleq / Grönland

Collectors Summary

Color bräunlich weiß, grau
Hardness (Mohs) 6
Crystal System orthorhombisch, Pmcn

Chemism

Chemical formula

(Fe,Ni,Co)As

Chemical composition

Arsen, Eisen, Kobalt, Nickel

Unit weight: 131.93006809 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Fe0.6Ni0.3Co0.1)As

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Iron

Fe

25.40

0.6

30.00

55.8452000

33.5071200
Cobalt

Co

4.47

0.1

5.00

58.9332009

5.8933201
Nickel

Ni

13.35

0.3

15.00

58.6934200

17.6080260
Arsenic

As

56.79

1

50.00

74.9216020

74.9216020

Analysis wt%

Ø Fe : 26.60, Ni : 17.40, Co : 0.65, As : 55.55 (Ref: American Mineralogist 72)

Strunz 9th edition incl. updates

2.CC.15

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
C: mit Nickel (Ni), Eisen (Fe), Cobalt (Co), usw.
15:Westerveldit-Gruppe

Lapis Classification

II/C.19-030

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

Classification by Hölzel

2.CC.500

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

Dana 8th edition

02.08.19.01

02: Sulfide Minerals
08: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

bräunlich weiß, grau

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pmcn

Cell parameters a (Å)

3.457

Cell parameters b (Å)

5.971

Cell parameters c (Å)

5.332

Cell parameters a/b or c/a

0.579

Cell parameters c/b

0.893

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

110.062

X-Ray Powder Diffraction

2.617(30),
2.603(100),
2.080(30),
1.996(80),
1.726(50),
1.533(40),
1.150(40),
1.089(40)
XRD chart Westerveldite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6

VHN (Hardness Vickers)

753 (25g)

Density (g/cm³)

8.13 (berechnet)

7.961 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Spanien/Andalusien (Andalucía)/Málaga, Provinz/Sierra de las Nieves, Comarca/Ojen, Municipio/Ojén Lherzolith-Massiv/Mina La Gallega

Preface

Author (Name, Year)

Oen & Burke & Kieft & Westerhof, 1972

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: H301+H331: Giftig bei Verschlucken oder Einatmen., H410: Sehr giftig für Wasserorganismen mit langfristiger Wirkung., P261: Einatmen von Staub / Rauch / Gas / Nebel / Dampf / Aerosol vermeiden., P273: Freisetzung in die Umwelt vermeiden., P301+P310: Bei Verschlucken: Sofort Giftinformationszentrum, Arzt oder … anrufen., P311: Giftinformationszentrum, Arzt oder … anrufen., P501: Inhalt / Behälter … zuführen.

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 574

Varieties

Antimonian Westerveldite

Other languages

German

Westerveldit

Spanish

Westerveldita

French

Westerveldite

English

Westerveldite

Russian

Вестервелдит

CNMNC (IMA)-Number

IMA 1971-017

CNMNC symbol

Symbol

Wvd

Locations with GPS information

IDs

GUSID (Global unique identifier short form) VwX6V3RRmU2nhEOAKG19fA
GUID (Global unique identifier) 57FA0557-5174-4D99-A784-4380286D7D7C
Database ID 4152