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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

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

German pages

 DeWikiPedia - search for: Belakovskiit
Google-Bilder-Suche - search for: Belakovskiit
Mineralienatlas.de (Forum) - search for: Belakovskiit

English pages

 Mindat - search for: Belakovskiite
Webmineral - search for:Belakovskiite
Handbook-of-Mineralogy - search for: Belakovskiite
RRUFF - Raman, XRD and other mineral data - search for: Belakovskiite
RRUFF - References and PDF downloads - search for: Belakovskiite
American-Mineralogist-Crystal-Structure-Database - search for: Belakovskiite
Strahlen.org - search for: Belakovskiite

Russian pages

 Webmineral.ru - search for: Белаковскиит

Mineral Dealer

German pages

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Locations with GPS information