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Slyudyankaite

Pictures (1 Images total)

Slyudyankait
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Slyudyankait
blaues Fragment von Slyudyankait, Malo-Bystrinskoye, Sludjanka, Irkutsk, Russland; BB ~ 1 mm, analysiert
Copyright: mintreasure.com; Contribution: openpit
Location: Russland/Sibirien, Föderationskreis/Irkutsk (Irkutskaja), Oblast/Baikalsee/Sljudjanka (Sludyanka; Slyudyanka)/Tounskinskaya-Tal/Malo-Bystrinskoye
Mineral: Slyudyankaite
Image: 1656618304
License: Usage for Mineralienatlas project only
Slyudyankait

blaues Fragment von Slyudyankait, Malo-Bystrinskoye, Sludjanka, Irkutsk, Russland; BB 1 mm, analysiert

Copyright: mintreasure.com
Contribution: openpit 2022-06-30
Locality: Malo-Bystrinskoye / Tounskinskaya-Tal / Sljudjanka (Sludyanka; Slyudyanka) / Baikalsee / Irkutsk (Irkutskaja), Oblast / Sibirien, Föderationskreis / Russland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color grün bis blaßblau
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5,5
Crystal System triklin, P1
Morphology Körner bis 0,5 cm, und Aggregate

Chemism

Chemical formula

Na28Ca4(Si24Al24O96)(SO4)6(S6)0.33(CO2)·2H2O

Empirical formula (analysis)

Na27.57Ca4.05 K0.11(Si24.52Al23.48O96)(SO4)6.06S02.42Cl0.12(CO2)1.43·2.21H2O

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Kohlenstoff, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 4379.78593949 u; Number of atoms in the formula: 218.07

Info

Empirical formula:

Na27.57Ca4.05K0.11(Si24.52Al23.48O96)(SO4)6.06S02.42Cl0.12(CO2)1.43·2.21H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.10

4.42

2.03

1.0079470

4.4551257

Carbon

C

0.39

1.43

0.66

12.0107800

17.1754154

Oxygen

O

45.78

125.31

57.46

15.9994300

2,004.8885733

Sodium

Na

14.47

27.57

12.64

22.9897702

633.8279644

Aluminium

Al

14.46

23.48

10.77

26.9815382

633.5265169

Silicon

Si

15.72

24.52

11.24

28.0855300

688.6571956

Sulfur

S

5.17

7.06

3.24

32.0655000

226.3824300

Chlorine

Cl

0.10

0.12

0.06

35.4532000

4.2543840

Potassium

K

0.10

0.11

0.05

39.0983100

4.3008141

Calcium

Ca

3.71

4.05

1.86

40.0784000

162.3175200

IMA status

anerkannt - CNMNC Newsletter 65, Dezember 2021 - Januar 2022

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Cancrinit–Sodalit supergroup  ⇒ Sodalite group

Optical Properties

Color

grün bis blaßblau

Streak color

weiß

Lustre

Glasglanz

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

1

Space Group

P1

Cell parameters a (Å)

9.0523(4)

Cell parameters b (Å)

12.8806(6)

Cell parameters c (Å)

25.681(1)

Cell parameters a/b or c/a

0.703

Cell parameters c/b

1.994

Cell parameters α

89.988(2)°

Cell parameters β

90.052(1)°

Cell parameters γ

90.221(1)°

Z

1

Volume (ų)

2994.357

Crystal structure

Sodalith-Gruppe; Struktur ermittelt

X-Ray Powder Diffraction

12.93(6), 6.45(20), 3.716(100), 2.878(12), 2.625(23), 2.431(6), 2.143(11), 1.784(9)

XRD chart Slyudyankaite

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

Morphology

Körner bis 0,5 cm, und Aggregate

Physical Properties

Hardness (Mohs)

5,5

Density (g/cm³)

2.46(2) gemessen 2.454 berechnet

2.429 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Russland/Sibirien, Föderationskreis/Irkutsk (Irkutskaja), Oblast/Baikalsee/Sljudjanka (Sludyanka; Slyudyanka)/Tounskinskaya-Tal/Malo-Bystrinskoye

Type material

Das Typusmaterial ist in den Sammlungen des Sidorov Mineralogical Museum (INRTU), Lermontova St. 83, Irkutsk 664074, Russland, unter der Registriernummer MMU

Preface

Author (Name, Year)

Anatoly N. Sapozhnikov; Nadezhda B. Bolotina; Nikita V. Chukanov ; Roman Yu. Shendrik; Ekaterina V. Kaneva, Marina F. Vigasina; Larisa A. Ivanova; Vladimir L. Tauson; Sergey V. Lipko (2023)

References

Sapozhnikov, A. N., Bolotina, N. B., Chukanov, N. V., Kaneva, E. V., Shendrik, R. Y., Vigasina, M. F., and Ivanova, L. A.: Slyudyankaite, IMA 2021-062a, in: CNMNC Newsletter 65, Eur. J. Mineral., 34, https://doi.org/10.5194/ejm-34-143-2022, 2022.

Bolotina, N.B.; Sapozhnikov, A.N.; Chukanov, N.V.; Vigasina, M.F.: Structure Modulations and Symmetry of Lazurite-Related Sodalite-Group Minerals. Crystals Vol. 13 (2023) Art.-Nr. 768. Open Access https://doi.org/10.3390/cryst13050768

Anatoly N. Sapozhnikov; Nadezhda B. Bolotina; Nikita V. Chukanov ; Roman Yu. Shendrik; Ekaterina V. Kaneva, Marina F. Vigasina; Larisa A. Ivanova; Vladimir L. Tauson; Sergey V. Lipko: Slyudyankaite, Na28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2)·2H2O, a new sodalite-group mineral from the Malo-Bystrinskoe lazurite deposit, Baikal Lake area, Russia. American Mineralogist Vol.108, Nr. 9 (2023) S. 1805-1817. doi: 10.2138/am-2022-8598

IMA group assignments

Other languages

German

Slyudyankait

English

Slyudyankaite

CNMNC (IMA)-Number

IMA 2021-062a

CNMNC symbol

Symbol

Sdy

Locations with GPS information

IDs

GUSID (Global unique identifier short form) n-YiRm6g2UWfx2TGOMjasA
GUID (Global unique identifier) 4622E69F-A06E-45D9-9FC7-64C638C8DAB0
Database ID 9139