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Sapozhnikovite

Additional Functions

Collectors Summary

Color farblos, blaßgrau
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5,5
Cleavages undeutlich nach (110)
Crystal System kubisch, P43n
Morphology Körner bis 5 mm

Chemism

Chemical formula

Na8(Al6Si6O24)(HS)2

Empirical formula (analysis)

Na7.73Al6.08Si5.97O24(HS)1.25Cl0.60⋅0.16H2O

Chemical composition

Aluminium, Natrium, Silicium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 974.044662752 u; Number of atoms in the formula: 49.88

Info

Empirical formula:

Na7.73Al6.08Si5.97O24(HS)1.25Cl0.60⋅0.16H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.34

3.25

6.52

1.0079470

3.2758278

Oxygen

O

41.06

25

50.12

15.9994300

399.9857500

Sodium

Na

18.24

7.73

15.50

22.9897702

177.7109236

Aluminium

Al

16.84

6.08

12.19

26.9815382

164.0477523

Silicon

Si

17.21

5.97

11.97

28.0855300

167.6706141

Sulfur

S

4.11

1.25

2.51

32.0655000

40.0818750

Chlorine

Cl

2.18

0.6

1.20

35.4532000

21.2719200

IMA status

anerkannt - CNMNC Newsletter 62, Juni - Juli 2021

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Cancrinit–Sodalit supergroup  ⇒ Sodalite group

Optical Properties

Color

farblos, blaßgrau

Streak color

weiß

Lustre

Glasglanz

Optical Data Luminescence

Luminescence

stark orange unter UV λ = 330 nm und schwach gelb-orange unter kurzwelligem UV λ = 245 nm

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

218

Space Group

P43n

Cell parameters a (Å)

8.9146(1)

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volumne (ų)

708.444

Kristall structure

Sodalith-Gruppe; Struktur ermittelt

X-Ray Powder Diffraction

6.30(37), 3.638(100), 2.821(14), 2.572(18), 2.382(16), 2.101(29), 1.576(8), 1.486(8)

XRD chart Sapozhnikovite

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

Morphology

Körner bis 5 mm

Physical Properties

Hardness (Mohs)

5,5

Density (g/cm³)

2.25(1) gem. 2.255 ber.

2.283 ( ρ calc. Mineralienatlas )

Cleavages

undeutlich nach (110)

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Karnasurt, Berg

Type material

Das Typenmaterial ist in den Sammlungen des Fersman Mineralogischen Museums, Russische Akademie der Wissenschaften, Leninskiy Prospekt 18-2, Moskau 119071, Russland, Registriernummer 5693, hinterlegt.

Paragenesis of type material

Nephelin, Aegirin, Kalium-Feldspat, Albit, Kyanoxalit, Natrolith, Fluorapatit, Fluorcaphit, Lomonosovit (teilweise oder ganz umgewandelt in Murmanit) und Loparit-(Ce)

Preface

Name from

dem russischen Mineralogen und Kristallographen Dr. Anatoly Nikolaevich Sapozhnikov (geb. 1946).

Author (Name, Year)

Nikita V. Chukanov, Natalia V. Zubkova, Igor V. Pekov, Roman Y. Shendrik, Dmitry A. Varlamov, Marina F. Vigasina, Dmitry I. Belakovskiy, Sergey N. Britvin, Vasiliy O. Yapaskurt und Dmitry Y. Pushcharovsky (2022)

References

Chukanov, N.V., Zubkova, N.V., Pekov, I.V., Shendrik, R.Y., Varlamov, D.A., Vigasina, M.F., Belakovskiy, D.I., Britvin, S.N., Yapaskurt, V.O. and Pushcharovsky, D.Y. (2021) Sapozhnikovite, IMA 2021-030. CNMNC Newsletter 62; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.62

Nikita V. Chukanov; Natalia V. Zubkova; Igor V. Pekov; Roman Yu. Shendrik; Dmitry A. Varlamov; Marina F. Vigasina; Dmitry I. Belakovskiy; Sergey N. Britvin; Vasiliy O. Yapaskurt; Dmitry Yu. Pushcharovsky: Sapozhnikovite, Na8(Al6Si6O24)(HS)2, a new sodalite-group mineral from the Lovozero alkaline massif, Kola Peninsula. Mineralogical Magazine Vol. 86, Nr. 1 (2022) S. 49–59.

IMA group assignments

Other languages

German

Sapozhnikovit

English

Sapozhnikovite

CNMNC (IMA)-Number

IMA 2021-030