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Rusakovite (Rusakovit)

Pictures (1 Images total)

Rusakovit
Views (File:
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Rusakovit
analysiert; Bildbreite: 2 mm; Fundort: Gold Quarry Mine, Maggie Creek District, Eureka Co., Nevada, USA
Copyright: Leonardus; Contribution: slugslayer
Location: USA/Nevada/Eureka Co./Maggie Creek District/Gold Quarry Mine (Maggie Claims)
Mineral: Rusakovite
Image: 1267261108
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Rusakovit

analysiert; Bildbreite: 2 mm; Fundort: Gold Quarry Mine, Maggie Creek District, Eureka Co., Nevada, USA
Copyright: Leonardus
Contribution: slugslayer 2010-02-27
Locality: Gold Quarry Mine (Maggie Claims) / Maggie Creek District / Eureka Co. / Nevada / USA

Collectors Summary

Color gelborange
Hardness (Mohs) 1.50 - 2.00
Solubility +++ Säuren

Chemism

Chemical formula

(Fe3+,Al)5(VO4,PO4)2(OH)9·3H2O

Chemical composition

Aluminium, Eisen, Phosphor, Sauerstoff, Vanadium, Wasserstoff

Unit weight: 670.15337335 u; Number of atoms in the formula: 42

Info

Empirical formula:

(Fe0.75Al0.25)5((VO4)0.75(PO4)0.25)2(OH)9·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.26

15

35.71

1.0079470

15.1192050
Oxygen

O

47.75

20

47.62

15.9994300

319.9886000
Aluminium

Al

5.03

1.25

2.98

26.9815382

33.7269228
Phosphorus

P

2.31

0.5

1.19

30.9737612

15.4868806
Vanadium

V

11.40

1.5

3.57

50.9415100

76.4122650
Iron

Fe

31.25

3.75

8.93

55.8452000

209.4195000

Analysis wt%

Ø MgO : 0.90, Al2O3 : 5.10, Fe2O3 : 44.67, SiO2 : 1.97, V2O4 : 4.97, V2O5 : 16.38, P2O5 : 6.23, SO3 : 0.90, H2O : 18.83 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 60)

Strunz 9th edition incl. updates

8.DF.15

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
F: Mit ausschließlich mittelgroßen [Kationen], (OH, etc.):RO4 > 3:1
15:Rusakovit-Gruppe

Lapis Classification

VII/D.22-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
22: Mittelgroße Kationen: Cu-Zn-Mn-Al-Fe

Classification by Hölzel

8.DC.360

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
C: Phosphates, Valency for mediumsized Cations: 3
3: OH/XO4 > 1.5 Fluellite-Group

Dana 8th edition

42.03.01.01

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
03: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (A)5 (XO4)2 Zq · x(H2O)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelborange

RI value α / ω / n

1.833

Ri mean

1.833

2V angle

Isotropisch

Crystallography

Cell parameters α

nd

Cell parameters β

nd

Cell parameters γ

nd

X-Ray Powder Diffraction

5.17(40),
4.20(50),
3.21(100),
2.945(90),
2.441(80),
2.140(70),
1.569(60),
1.366(30)
XRD chart Rusakovite

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

Physical Properties

Hardness (Mohs)

1.50 - 2.00

VHN (Hardness Vickers)

24 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.77 (gemessen)

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Kasachstan/Almaty oblysy/Kara-Tau/Balasauskandyk

Preface

Author (Name, Year)

Ankinovich, 1960

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 89 (1960), 440

Other languages

German

Rusakovit

Spanish

Rusakovita

French

Rusakovite

English

Rusakovite

Russian

Русаковит

CNMNC symbol

Symbol

Rko

Locations with GPS information