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Chkalovite (Chkalovit)

Pictures (6 Images total)

Chkalovit
Views (Image: 1203835337): 1112
Chkalovit

FO: Schkatulka, Umbozero Mine, Lovozero-Massiv, Kola, Russland, Größe: 35x10 mm

Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2008-02-24
Locality: Shkatulka-Pegmatit / Umbozero / Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
rosa Tugtupit mit weißem Chkalovit
Views (Image: 1230497808): 4574
rosa Tugtupit mit weißem Chkalovit

Bildbreite: 30 mm; Fundort: Shkatulka-Pegmatit, Umbozero, Alluaiv, Lovozero, Kola Peninsula, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2008-12-28
Locality: Shkatulka-Pegmatit / Umbozero / Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Chkalovit-Fragment in Ussingit
Views (Image: 1245582013): 1081
Chkalovit-Fragment in Ussingit

Größe: 15 x 8 x 4 cm; Fundort: Malyi Punkaruaiv, Lovozero-Massiv, Kola, Murmansk, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-21
Locality: Malyi Punkaruaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Chkalovit in Ussingit
Views (Image: 1245582068): 1128
Chkalovit in Ussingit

Bildbreite: 12 mm; Fundort: Pegmatit Nr. 60, Karnasurt, Lovozero-Massiv, Kola, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-21
Locality: Pegmatit Nr. 60 / Karnasurt, Berg / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Chkalovit
Views (Image: 1522264735): 467
Chkalovit

Tugtup Agtakorfia, Tunugdliarfik-Fjord, Ilimaussaq-Komplex, Narsaq, Kommune Kujalleq, Grönland. BB:4,5cm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2018-03-28
Locality: Tugtup Agtakorfia (Tuttup Attakoorfia) / Tunugdliarfik-Fjord / Ilimaussaq-Komplex / Narsaq / Kommune Kujalleq / Grönland
Chkalovit
Views (Image: 1585832341): 126
Chkalovit  X
Analysed with X-ray diffraction XRD

kristallines Aggregat, Fundort Chibiny, Koashva, Bildbreite 30 mm

Collection: uwe
Copyright: uwe
Contribution: uwe 2020-04-02
Locality: Koashva Grube / Berg Koashva / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos, weiß
Streak color weiß
Hardness (Mohs) 6
Solubility +++ Säuren
Crystal System orthorhombisch, Fdd2

Chemism

Chem­ical formula

Na2BeSi2O6

Chem­ical com­po­si­tion

Beryllium, Natrium, Silicium, Sauerstoff

Unit weight: 207.1593627 u; Number of atoms in the formula: 11

Info

Empirical formula:

Na2BeSi2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Beryllium

Be

4.35

1

9.09

9.0121823

9.0121823

Oxygen

O

46.34

6

54.55

15.9994300

95.9965800

Sodium

Na

22.20

2

18.18

22.9897702

45.9795404

Silicon

Si

27.11

2

18.18

28.0855300

56.1710600

Anal­y­sis wt%

SiO2 : 56.81, BeO : 12.67, Na2O : 28.93 (Ref: Doklady Akademiia Nauk, SSSR 39)

Strunz 9th edi­tion incl. updates

9.DM.20

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
M: Ketten- und Bandsilikate mit 6-periodischen Einfachketten
20:Chkalovit-Gruppe

Lapis Clas­sifica­tion

VIII/J.04-010

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
4: Ohne tetraederfremde Anionen

Clas­sifica­tion by Hölzel

9.FA.330

9: SILICATES
F: Tektosilicates
A: Without other tetrahedral Anions

Dana 8th edi­tion

65.05.02.01

65: Inosilicate Minerals
05: Inosilicates Inosilicate Single-Width Unbranched Chains, W=1 with chains P=6

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.005

Birefringence chart\! Chkalovite title=Birefringence chart Chkalovite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.544

RI value β

1.546

RI value γ / ε

1.549

Ri mean

1.546

2V angle

Biaxial (+) 78°

Optical Data Luminescence

Color LW-UV (365nm)

 

grün

Color SW-UV (254nm)

 

grün

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) als Verunreinigungen

Color SW-UV After­glow (254nm)

 

grünlich weiß

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mm2

Space Group number

43

Space Group

Fdd2

Cell param­e­ters a (Å)

21.129

Cell param­e­ters b (Å)

6.881

Cell param­e­ters c (Å)

21.188

Cell param­e­ters a/b or c/a

3.071

Cell param­e­ters c/b

3.079

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

24

Volumne (ų)

3080.495

X-Ray Pow­der Diffrac­tion

4.00(100),
3.29(80),
2.76(80),
2.48(100),
1.798(70),
1.486(70),
1.432(70),
1.088(70)

XRD chart Chkalovite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

6

VHN (Hard­ness Vick­ers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.662

2.68 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Gerasimovskiy, 1938

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 137

Other languages

German

Chkalovit

Spanish

Chkalovita

French

Chkalovite

English

Chkalovite

Russian

Чкаловит

Traditional Chinese

矽鈹鈉石

Simplified Chinese

硅铍钠石

Alternative Name

German

Tschkalowit

Strunz, Tennyson: Mineralogische Tabellen. 8. Auflage. Geest & Portig, Leipzig 1982, S. 470

CNMNC symbol

Symbol

Ckl

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Чкаловит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Chkalovit
Crystal-Treasure.com - search for: Chkalovit
Bosse - search for: Chkalovit
Edelsteine Neuburg - Gundolf Fischer - search for: Chkalovit

Locations with GPS information