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Vanuranylite (Vanuranylit)

Collectors Summary

Color tiefgelb
Streak color hellgelb
Hardness (Mohs) 2
Cleavages vollkommen
Solubility +++ Säuren
Crystal System monoklin,

Chemism

Chemical formula

(H3O,Ba,Ca,K)1.6(UO2)2V2O8·4H2O

Chemical composition

Barium, Calcium, Kalium, Sauerstoff, Uran, Vanadium, Wasserstoff

Unit weight: 934.19348528 u; Number of atoms in the formula: 32.24

Info

Empirical formula:

((H3O)0.55Ba0.3Ca0.1K0.05)1.6(UO2)2V2O8·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.15

10.64

33.00

1.0079470

10.7245561
Oxygen

O

28.91

16.88

52.36

15.9994300

270.0703784
Potassium

K

0.33

0.08

0.25

39.0983100

3.1278648
Calcium

Ca

0.69

0.16

0.50

40.0784000

6.4125440
Vanadium

V

10.91

2

6.20

50.9415100

101.8830200
Barium

Ba

7.06

0.48

1.49

137.3277000

65.9172960
Uranium

U

50.96

2

6.20

238.0289130

476.0578260

Strunz 9th edition incl. updates

4.HB.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
H: V[5,6] Vanadate
B: Uranyl-Gruppenvanadate (Sorovanadate)
05:Carnotit-Gruppe

Lapis Classification

VII/E.11-070

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
E: Uranyl-Phosphate/Arsenate und Uranyl-Vanadate mit [UO2] 2+- [PO4]/[AsO4] 3- und [UO2] 2+-[V2O8] 6-, sowie isotype Vanadate (Sincosit-Reihe)
11: Uranyl-Gruppenvanadate mit [UO2] 2+-[V2O8] 6-

Classification by Hölzel

8.EE.370

8: PHOSPHATES ARSENATES VANADATES
E: Uranyl (Phospates-Arsenates-Vanadates)
E: UranylVanadates
3: C large, V=1 Carnotite-Group

IMA status

Diskreditiert von der CNMNC

Optical Properties

Color

tiefgelb

Streak color

hellgelb

max. Birefringence

0.24>

RI value α / ω / n

1.710<

RI value β

1.94

RI value γ / ε

1.95>

Ri mean

1.867

2V angle

Biaxial (-) sm

Crystallography

Crystal System

monoklin

Cell parameters a (Å)

10.49

Cell parameters b (Å)

8.37

Cell parameters c (Å)

20.30

Cell parameters a/b or c/a

1.253

Cell parameters c/b

2.425

Cell parameters α

90°

Cell parameters β

90°..

Cell parameters γ

90°

Z

4

Volumne (ų)

1782.366

X-Ray Powder Diffraction

5.3(40),
5.0(100),
3.43(40),
3.23(100),
3.12(40),
2.11(80),
2.05(50),
1.97(80)
XRD chart Vanuranylite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

Density (g/cm³)

3.644 (gemessen)

3.481 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Russland/Sibirien, Föderationskreis/Tuwa-Republik (Tuva, Tyva)/Turan, Distrikt/Ust'-Uyuk

Preface

Author (Name, Year)

Buryanova & Strokova & Shitov, 1965

References

Mineralogical Magazine 36 (1968), 1144

Other languages

German

Vanuranylit

Spanish

Vanuranylita

English

Vanuranylite

French

Vanuranylite

Russian

Вануранилит

Locations with GPS information