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Belakovskiite

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Belakovskiit
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Belakovskiit
gelbgrüne nadelige Belakovskiit-Kristalle, Blue Lizard Mine, Red Canyon, San Juan County, Utah, USA; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: USA/Utah/San Juan Co./White Canyon District/Red Canyon/Blue Lizard Mine
Mineral: Belakovskiite
Image: 1575912281
License: Usage for Mineralienatlas project only
Belakovskiit

gelbgrüne nadelige Belakovskiit-Kristalle, Blue Lizard Mine, Red Canyon, San Juan County, Utah, USA; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2019-12-09
Locality: Blue Lizard Mine / Red Canyon / White Canyon District / San Juan Co. / Utah / USA

Collectors Summary

Color hellgelbgrün
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) ~2
Cleavages keine
Fracture uneben
Crystal System triklin, P1
Morphology feinnadelig nach [100] bis 2 mm

Chemism

Chemical formula

Na7(UO2)(SO4)4(SO3OH)(H2O)3

Empirical formula (analysis)

Na6,83(U1,04O2)(SO4)4(S0,99O3OH)(H2O)3

Chemical composition

Natrium, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 971.618423986 u; Number of atoms in the formula: 44.86

Info

Empirical formula:

Na6.83(U1.04O2)(SO4)4(S0.99O3OH)(H2O)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.73

7

15.60

1.0079470

7.0556290
Oxygen

O

41.17

25

55.73

15.9994300

399.9857500
Sodium

Na

16.16

6.83

15.23

22.9897702

157.0201305
Sulfur

S

16.47

4.99

11.12

32.0655000

160.0068450
Uranium

U

25.48

1.04

2.32

238.0289130

247.5500695

Analysis wt%

Na2O : 22.45, UO3 : 29.60, SO3 : 41.43, H2O* : 6.53, Total : 99.46; WDX (Kampf et al. 2014); *berechnet

Strunz 9th edition incl. updates

7.EC.

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
E: Uranylsulfate
C: Mit mittelgroßen und großen [Kationen]

Lapis Classification

VI/D.20-029

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
20: Uranylsulfate [UO2] 2+ – [SO4] 2-

IMA status

anerkannt - CNMNC Newsletter No. 18, Dezember 2013

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellgelbgrün

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

RI value α / ω / n

1.500

RI value β

1.511

RI value γ / ε

1.523

2V angle

Biaxial (+) 87.1° (gemessen)

Orientation

X ~ a

Pleochroism

keine

Optical Data Luminescence

Color LW-UV (365nm)

  

grün

LW-UV Intensity

stark

LW-UV Observation Frequency

immer (spezifisch)

Color SW-UV (254nm)

  

grün

SW-UV Intensity

stark

SW-UV Observation Frequency

immer (spezifisch)

Most Common Activator

(UO2)2+ (Uranyl-Ion) spezifisch

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

5.4581

Cell parameters b (Å)

11.3288

Cell parameters c (Å)

18.4163

Cell parameters a/b or c/a

0.482

Cell parameters c/b

1.626

Cell parameters α

104.786°

Cell parameters β

90.092°

Cell parameters γ

96.767°

Z

2

Volumne (ų)

1092.774

Kristall structure

Struktur bestimmt; Neuer Strukturtyp

X-Ray Powder Diffraction

8.96(35), 8.46(29), 5.19(100), 4.66(58), 3.568(37), 3.057(59), 2.930(27), 1.832(29)
XRD chart Belakovskiite

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

Morphology

feinnadelig nach [100] bis 2 mm

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

~2

Density (g/cm³)

2.953 (berechnet)

2.953 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

elastisch

Radioactivity

radioaktiv, da Uran-haltig

(Co-)Type locality

(Co-)Type locality

USA/Utah/San Juan Co./White Canyon District/Red Canyon/Blue Lizard Mine

Type material

Natural History Museum of Los Angeles County, Los Angeles, California, USA

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moskau, Russland

Collection number of type material

64055 (USA); 4410/1 (Russland)

Paragenesis of type material

in Sandmatrix mit Chalcanthit, Copiapit, Ferrinatrit, Gips, Johannit, Meisserit

Preface

Associations

Blödit, Ferrinatrit, Kröhnkit, Meisserit, Metavoltin

Name from

Dmitry Ilych Belakovskiy (*04.09.1957), russischer Mineraloge und Kustos des Fersman Museums

Author (Name, Year)

Anthony R. Kampf, Jakub Plášil, Anatoly V. Kasatkin und Joe Marty (2013)

References

Kampf, A.R., Plášil, J., Kasatkin, A.V. und Marty, J. (2013) Belakovskiite, IMA 2013-075. CNMNC Newsletter No. 18, December 2013, page 3252; Mineralogical Magazine, 77, 3249-3258.

Kampf, A.R., Plášil, J., Kasatkin, A.V., Marty, J. (2014) Belakovskiite, Na7(UO2)(SO4)4(SO3OH)(H2O)3, a new mineral from the Blue Lizard mine, San Juan County, Utah, USA. Mineralogical Magazine, 78, 639-649

Other languages

German

Belakovskiit

English

Belakovskiite

Russian

Белаковскиит

CNMNC (IMA)-Number

IMA 2013-075

CNMNC symbol

Symbol

Bkk

Locations with GPS information

IDs

GUSID (Global unique identifier short form) demMRCEop0GT3NAAop7-Tg
GUID (Global unique identifier) 448CE975-2821-41A7-93DC-D000A29EFE4E
Database ID 7680