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Kalborsite

Pictures (1 Images total)

Kalborsit
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1581180249
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Kalborsit
weiße, faserige Krusten von Kalborsit auf grünem Ägirin, Rasvumchorr, Chibiny, Kola, Russland; BB ~ 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Rasvumchorr
Mineral: Kalborsite
Image: 1581180249
License: Usage for Mineralienatlas project only
Kalborsit

weiße, faserige Krusten von Kalborsit auf grünem Ägirin, Rasvumchorr, Chibiny, Kola, Russland; BB 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-08
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color bräunlich rosa, farblos
Streak color weiß
Hardness (Mohs) 6.25
Solubility - verdünnte HCl
Crystal System tetragonal, P421c

Chemism

Chemical formula

K6Al4Si6BO20(OH)4Cl

Chemical composition

Aluminium, Chlor, Silicium, Bor, Kalium, Sauerstoff, Wasserstoff

Unit weight: 945.3122008 u; Number of atoms in the formula: 46

Info

Empirical formula:

K6Al4Si6BO20(OH)4Cl

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.43

4

8.70

1.0079470

4.0317880

Boron

B

1.14

1

2.17

10.8117000

10.8117000

Oxygen

O

40.62

24

52.17

15.9994300

383.9863200

Aluminium

Al

11.42

4

8.70

26.9815382

107.9261528

Silicon

Si

17.83

6

13.04

28.0855300

168.5131800

Chlorine

Cl

3.75

1

2.17

35.4532000

35.4532000

Potassium

K

24.82

6

13.04

39.0983100

234.5898600

Analysis wt%

Ø K2O : 30.06, B2O3 : 4.98, Al2O3 : 21.18, SiO2 : 38.54, Cl : 3.71, H2O : 3.81 (Ref: Doklady Akademiia Nauk, SSSR 80)

Strunz 9th edition incl. updates

9.GA.15

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
A: [Zeolithe] mit vierer-Ring Ketten über ein fünftes [Si] verbunden
15:Edingtonit-Gruppe

Lapis Classification

VIII/J.13-040

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
13: Mit tetraederfremden Anionen; Skapolith-Reihe

Classification by Hölzel

9.FG.230

9: SILICATES
F: Tektosilicates
G: Scapolite-Group

Dana 8th edition

77.02.07.01

77: Tektosilicates Tectosilicate Zeolite group
02: Tektosilicates Tectosilicate Zeolite group related species

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Zeolite group  ⇒ EDI zeolite structure group

Optical Properties

Color

bräunlich rosa, farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.000

RI value α / ω / n

1.525

RI value γ / ε

1.525

Ri mean

1.525

2V angle

Uniaxial (+)

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

114

Space Group

P421c

Cell parameters a (Å)

9.851

Cell parameters b (Å)

-

Cell parameters c (Å)

13.060

Cell parameters a/b or c/a

1.326

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

1267.371

X-Ray Powder Diffraction

3.44(80),
3.26(50),
3.08(100),
2.94(80),
2.79(90),
2.24(50),
2.08(50),
1.169(50)

XRD chart Kalborsite

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)

6.25

VHN (Hardness Vickers)

838

Density (g/cm³)

2.5

2.477 ( ρ calc. Mineralienatlas )

Instability

- verdünnte HCl

Preface

Name from

nach der chemischen Zusammensetzung, Kalium Aluminium Bor-Silikat.

Author (Name, Year)

Khomyakov & Sandomirskaya & Malinovskiy, 1980

References

Transactions (Doklady) of the USSR Academy of Sciences, Earth Science Sections 252 (1980), 131

IMA group assignments

Other languages

German

Kalborsit

Spanish

Kalborsita

French

Kalborsite

English

Kalborsite

Russian

Кальборсит

CNMNC symbol

Symbol

Kbs

Locations with GPS information

IDs

GUSID (Global unique identifier short form) RTl2T8EPqEqA5-Q4tcWPXw
GUID (Global unique identifier) 4F763945-0FC1-4AA8-80E7-E438B5C58F5F
Database ID 1838