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Warikahnite (Warikahnit)

Pictures (3 Images total)

Warikahnit
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Warikahnit

80er Mine, Plaka, Lavrion, Griechenland

Copyright: UlrichW
Contribution: Klinoklas 2007-07-28
Locality: Stollen Nr. 80 / Plaka, Revier / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Warikahnit
Views (Image: 1257857569): 740
Warikahnit

Größe: 1,1 x 0,3 x 0,1 cm, Fundort: Tsumeb Mine, Otavi-Bergland, Namibia.

Copyright: Rob Lavinsky
Contribution: thdun5 2009-11-10
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Warikahnit
Views (Image: 1511722276): 169
Warikahnit

Stollen No. 80, Plaka, Lavrion, Griechenland; farblose nadelige xx Büschel; Bildbreite ca. 4 mm

Copyright: sulzbacher
Contribution: sulzbacher 2017-11-26
Locality: Stollen Nr. 80 / Plaka, Revier / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland

Collectors Summary

Color farblos, honiggelb, hellgelb
Streak color weiß
Hardness (Mohs) 2
Solubility +++ heiße HCl oder HNO3
Crystal System triklin, P1

Chemism

Chemical formula

Zn3(AsO4)2·2H2O

Chemical composition

Arsen, Zink, Sauerstoff, Wasserstoff

Unit weight: 510.097492 u; Number of atoms in the formula: 19

Info

Empirical formula:

Zn3(AsO4)2·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.79

4

21.05

1.0079470

4.0317880

Oxygen

O

31.37

10

52.63

15.9994300

159.9943000

Zinc

Zn

38.47

3

15.79

65.4094000

196.2282000

Arsenic

As

29.38

2

10.53

74.9216020

149.8432040

Analysis wt%

As2O5 : 44.33, ZnO : 47.85, MnO : 0.40, H2O : 6.32 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 79)

Strunz 9th edition incl. updates

8.CA.35

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
A: Mit kleinen und großen/mittelgroßen [Kationen]
35:Warikahnit-Gruppe

Lapis Classification

VII/C.07-040

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
7: Kleine und mittelgroße Kationen: Be und Al-Mn-Fe-Cu-Zn-Mg

Classification by Hölzel

8.CB.100

8: PHOSPHATES ARSENATES VANADATES
C: Phosphates (-Anions +Water)
B: Valency: 2, C medium, Me3~[XO4]2*nH2O
1: nH2O <= 3 Phosphoferrite-Group

Dana 8th edition

40.03.01.01

40: Hydrated Phosphates, etc
03: Hydrated Phosphates, etc where (A++)3 (XO4)2 · x(H2O)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, honiggelb, hellgelb

Streak color

weiß

max. Birefringence

0.021

Birefringence chart\! Warikahnite title=Birefringence chart Warikahnite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.747

RI value β

1.753

RI value γ / ε

1.768

Ri mean

1.756

2V angle

Biaxial (+) 75°

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

6.710

Cell parameters b (Å)

8.989

Cell parameters c (Å)

14.553

Cell parameters a/b or c/a

0.746

Cell parameters c/b

1.619

Cell parameters α

105.58

Cell parameters β

93.43

Cell parameters γ

108.68

Z

4

Volumne (ų)

790.69

X-Ray Powder Diffraction

13.80(50),
8.12(60),
6.21(80),
3.45(70),
3.04(60),
2.87(80),
2.82(100),
2.30(70)

XRD chart Warikahnite

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

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.24

4.285 ( ρ calc. Mineralienatlas )

Instability

+++ heiße HCl oder HNO3

(Co-)Type locality

(Co-)Type locality

Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine

Type material

Archiv der Universität Stuttgart, "Mineralogische Sammlung Prof. Keller"

Collection number of type material

TM-78.38-0703.05 / 0/824-s27/2

Paragenesis of type material

Tennantit, kupferhaltiger Adamin, Stranskiit, Koritnigit, Claudetit, Tsumcorit, Ludlockit

Preface

Author (Name, Year)

Keller & Hess & Dunn, 1979

References

Neues Jahrbuch für Mineralogie, Monatshefte (1979), 389

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Warikahnite

Zn3(AsO4)2·2H2O

triklin : 1 : P1

8.CA.35

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Schubnelite

Fe2-x3+(V5+,V4+)2O4(OH)4

triklin : 1 : P1

VII/C.07-010

Fervanite

Fe3+4V5+4O16·5H2O

VII/C.07-020

Kolovratite

(Ni,Zn)-Vanadat mit H2O

VII/C.07-030

Warikahnite

Zn3(AsO4)2·2H2O

triklin : 1 : P1

VII/C.07-040

Serrabrancaite

Mn3+[PO4]·H2O

monoklin : 2/m : C2/c

VII/C.07-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Warikahnite

Zn3(AsO4)2·2H2O

triklin : 1 : P1

8.CB.100

Phosphoferrite

(Fe2+,Mn)3(PO4)2·3H2O

orthorhombisch : mmm : Pbna

8.CB.140

Reddingite

Mn32+(PO4)2·3H2O

orthorhombisch : mmm : Pbna

8.CB.150

Sterlinghillite

Mn3[AsO4]2·3H2O

8.CB.170

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Warikahnite

Zn3(AsO4)2·2H2O

triklin : 1 : P1

40.03.01.01

Phosphoferrite

(Fe2+,Mn)3(PO4)2·3H2O

orthorhombisch : mmm : Pbna

40.03.02.01

Kryzhanovskite

(Fe3+,Mn2+)2(PO4)2(OH,H2O)3

orthorhombisch : mmm : Pbna

40.03.02.02

Reddingite

Mn32+(PO4)2·3H2O

orthorhombisch : mmm : Pbna

40.03.02.03

Landesite

(Mn,Mg)9Fe33+(PO4)8(OH)3·9H2O

orthorhombisch : mmm : Pbna

40.03.02.04

Garyansellite

Mg2Fe3+(PO4)2(OH)·2 H2O

orthorhombisch : mmm : Pbna

40.03.02.05

Parahopeite

Zn3(PO4)2·4H2O

triklin : 1 : P1

40.03.03.01

Hopeite

Zn3(PO4)2·4H2O

orthorhombisch : mmm : Pnma

40.03.04.01

Rollandite

Cu3[AsO4]2 ·4H2O

orthorhombisch : mmm : Pnma

40.03.04.02

Ludlamite

(Fe2+,Mg,Mn)3(PO4)2·4H2O

monoklin : 2/m : P21/a

40.03.05.01

Metaswitzerite

Mn3(PO4)2·4H2O

monoklin : 2/m : P21/c

40.03.05.02

Sterlinghillite

Mn3[AsO4]2·3H2O

40.03.05.03

Switzerite

(Mn2+,Fe2+)3(PO4)2·7H2O

monoklin : 2/m : P21/a

40.03.05.04

Vivianite

Fe2+3(PO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.01

Barićite

Mg3(PO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.02

Erythrite

Co3(AsO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.03

Annabergite

Ni2+3(AsO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.04

Köttigite

Zn3(AsO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.05

Parasymplesite

Fe2+3(AsO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.06

Hörnesite

Mg3(AsO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.07

Arupite

(Ni,Fe2+)3(PO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.08

Pakhomovskyite

Co3(PO4)2·8H2O

monoklin : 2/m : C2/m

40.03.06.09

Bobierrite

Mg3(PO4)2·8H2O

monoklin : 2/m : C2/c

40.03.07.01

Symplesite

Fe32+(AsO4)2·8H2O

triklin : 1 : P1

40.03.08.01

Metaköttigite

(Zn,Fe3+,Fe2+)3(AsO4)2·8(H2O,OH)

40.03.08.02

Metavivianite

Fe3-x2+Fex3+(PO4)2(OH)x·(8-x)H2O

triklin, triklin : 1, 1 : P1, P1

40.03.09.01

Other languages

German

Warikahnit

Spanish

Warikahnita

French

Warikahnite

English

Warikahnite

Russian

Вариканит

IMA Number

IMA 1978-038

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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Russian pages

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Locations with GPS information




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