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Labyrinthite

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Labyrinthit
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Labyrinthit
rosanes Aggregat von Labyrinthit auf Schaumstoff, Eveslogchorr, Chibiny, Murmansk, Russland; BB ~ 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Eweslogchorr (Eveslogchorr)
Mineral: Labyrinthite
Image: 1603828885
License: Usage for Mineralienatlas project only
Labyrinthit

rosanes Aggregat von Labyrinthit auf Schaumstoff, Eveslogchorr, Chibiny, Murmansk, Russland; BB 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-10-27
Locality: Eweslogchorr (Eveslogchorr) / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color rosa
Hardness (Mohs) 5.5
Fracture muschelig
Solubility ++ in 10% HCl, HNO3, H2SO4
Crystal System trigonal, R3

Chemism

Chemical formula

(Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl13

Chemical composition

Calcium, Chlor, Eisen, Natrium, Silicium, Strontium, Titan, Zirconium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 6789.3818107 u; Number of atoms in the formula: 278.5

Info

Empirical formula:

(Na0.6K0.3Sr0.1)35Ca12Fe3Zr6TiSi51O144(O0.6(OH)0.3(H2O)0.1)9Cl13

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.07

4.5

1.62

1.0079470

4.5357615

Oxygen

O

36.06

153

54.94

15.9994300

2,447.9127900

Sodium

Na

7.11

21

7.54

22.9897702

482.7851742

Silicon

Si

21.10

51

18.31

28.0855300

1,432.3620300

Chlorine

Cl

6.79

13

4.67

35.4532000

460.8916000

Potassium

K

6.05

10.5

3.77

39.0983100

410.5322550

Calcium

Ca

7.08

12

4.31

40.0784000

480.9408000

Titanium

Ti

0.71

1

0.36

47.8671000

47.8671000

Iron

Fe

2.47

3

1.08

55.8452000

167.5356000

Strontium

Sr

4.52

3.5

1.26

87.6210000

306.6735000

Zirconium

Zr

8.06

6

2.15

91.2242000

547.3452000

Analysis wt%

SiO2 : 50.04, ZrO2 : 11.90, TiO2 : 0.67, FeO : 2.56, MnO : 1.00, CaO : 10.73, SrO : 1.24, Na2O : 16.77, K2O : 1.11, Cl : 1.70, H2O : 1.58 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2006)

Strunz 9th edition incl. updates

9.CO.10

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
O: ~[Si9O27]18- neuner-Ringe
10:Eudialyt-Gruppe

Lapis Classification

VIII/E.25-100

VIII: SILIKATE
E: Ringsilikate
25: Neunerringe + Dreierringe; Eudialyt-Gruppe

Classification by Hölzel

9.CG.335

9: SILICATES
C: Cyclosilicates
G: ~[Si3O9]6-- + ~[Si9O27]18--Rings Eudialyte-Group
3: Eudialyte-Subgroup - c=60 Series

Dana 8th edition

64.01.01.14

64: Cyclosilicates Cyclosilicates
01: Cyclosilicates Cyclosilicates Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types
01: Eudialyte Group

IMA status

anerkannt 2002

Mineral status

anerkanntes Mineral

Optical Properties

Color

rosa

max. Birefringence

0.004

Birefringence chart\! Labyrinthite title=Birefringence chart Labyrinthite

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

1.597

RI value γ / ε

1.601

Ri mean

1.598

2V angle

Uniaxial (+)

Crystallography

Crystal System

trigonal

Class (H-M)

3

Space Group number

146

Space Group

R3

Cell parameters a (Å)

14.239

Cell parameters b (Å)

-

Cell parameters c (Å)

60.733

Cell parameters a/b or c/a

4.265

Cell parameters c/b

-

Z

3

Volume (ų)

10663.858

X-Ray Powder Diffraction

4.324(70),
3.550(40),
3.230(40),
3.049(40),
2.977(100),
2.853(90),
2.685(40),
2.605(40)

XRD chart Labyrinthite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.88 (gemessen)

3.171 ( ρ calc. Mineralienatlas )

Fracture

muschelig

Tenacity

spröde

Instability

++ in 10% HCl, HNO3, H2SO4

Preface

Author (Name, Year)

Khomyakov & Nechelyustov & Rastsvetaeva, 2006

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 135 (2006) (2), 38

Other languages

German

Labyrinthit

English

Labyrinthite

Russian

Лабиринтит

Simplified Chinese

拉比异性石

Traditional Chinese

拉比異性石

CNMNC (IMA)-Number

IMA 2002-065

CNMNC symbol

Symbol

Lby

Locations with GPS information

IDs

GUSID (Global unique identifier short form) C3cJTUv13EiwNk0JDbJ6Tw
GUID (Global unique identifier) 4D09770B-F54B-48DC-B036-4D090DB27A4F
Database ID 4528