https://www.edelsteine-neuburg.de
https://www.mineral-bosse.de
https://www.mineraliengrosshandel.com
https://www.mineralbox.biz
'._('einklappen').'
 

Intersilite (Intersilita)

Pictures (1 Images total)

Intersilit
Views (File:
1611691048
): 231
Intersilit
Probe mit rosafarbenem Intersilit, Berg Alluaiv, Lovozero Massiv, Kola Halbinsel, Russland; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Alluaiv
Mineral: Intersilite
Image: 1611691048
License: Usage for Mineralienatlas project only
Intersilit

Probe mit rosafarbenem Intersilit, Berg Alluaiv, Lovozero Massiv, Kola Halbinsel, Russland; BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-01-26
Locality: Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color hellgelb, rosa
Streak color weiß
Hardness (Mohs) 3.00 - 4.00
Cleavages vollkommen {100}
Fracture treppenartig
Solubility ++ 10% HCl
Crystal System monoklin, I2/m

Chemism

Chemical formula

(Na,K)Na5Mn2+(Ti,Nb)[(OH)3|Si10O24(OH)]·4H2O

Chemical composition

Mangan, Natrium, Niob, Silicium, Titan, Kalium, Sauerstoff, Wasserstoff

Unit weight: 1060.96315055 u; Number of atoms in the formula: 62

Info

Empirical formula:

(Na0.75K0.25)Na5Mn(Ti0.75Nb0.25)[(OH)3Si10O24(OH)]·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.14

12

19.35

1.0079470

12.0953640

Oxygen

O

48.26

32

51.61

15.9994300

511.9817600

Sodium

Na

12.46

5.75

9.27

22.9897702

132.1911787

Silicon

Si

26.47

10

16.13

28.0855300

280.8553000

Potassium

K

0.92

0.25

0.40

39.0983100

9.7745775

Titanium

Ti

3.38

0.75

1.21

47.8671000

35.9003250

Manganese

Mn

5.18

1

1.61

54.9380499

54.9380499

Niobium

Nb

2.19

0.25

0.40

92.9063820

23.2265955

Analysis wt%

Na2O : 16.91, K2O : 1.85, MnO : 6.23, TiO2 : 5.59, Nb2O5 : 3.02, SiO2 : 56.10, H2O : 10.40 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 96)

Strunz 9th edition incl. updates

9.EE.60

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
E: Einfache tetrahedrale Netze aus sechsfach-Ringen, verbunden über octahedrale Netze oder Bänder
60:Intersilit-Gruppe

Lapis Classification

VIII/G.14-010

VIII: SILIKATE
G: Übergangsstrukturen zwischen Ketten- und Schichtsilikaten

Classification by Hölzel

9.DU.670

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
U: Chains to Phyllosilicates
6: Haradaite-Group

Dana 8th edition

74.03.08.01

74: Phyllosilicates Phyllosilicate Modulated Layers
03: Phyllosilicates Phyllosilicate Modulated Layers with joined strips

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellgelb, rosa

Streak color

weiß

max. Birefringence

0.017

Birefringence chart\! Intersilite title=Birefringence chart Intersilite

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

1.536

RI value β

1.545

RI value γ / ε

1.553

Ri mean

1.545

2V angle

Biaxial (-) 87°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

I2/m

Cell parameters a (Å)

13.033

Cell parameters b (Å)

18.717

Cell parameters c (Å)

12.264

Cell parameters a/b or c/a

0.696

Cell parameters c/b

0.655

Cell parameters α

90°

Cell parameters β

99.62

Cell parameters γ

90°

Z

4

Volume (ų)

2949.594

X-Ray Powder Diffraction

10.56(100),
6.38(50),
5.77(30),
5.55(40),
4.78(40),
4.253(40),
3.196(80),
2.608(50)

XRD chart Intersilite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.00 - 4.00

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.42 (gemessen)

2.389 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {100}

Fracture

treppenartig

Tenacity

spröde

Instability

++ 10% HCl

Preface

Rareness

Extremely rare

Author (Name, Year)

Khomyakov & Roberts & Nechelyustov & Yamnova & Pushcharovskiy, 1996

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 125 (1996) (4), 79

Other languages

German

Intersilit

Spanish

Intersilita

French

Intersilite

English

Intersilite

Russian

Интерсилит

CNMNC (IMA)-Number

IMA 1995-033

CNMNC symbol

Symbol

Isi

Locations with GPS information

IDs

GUSID (Global unique identifier short form) sS8XAcmPeEigR-SkUuQdZw
GUID (Global unique identifier) 01172FB1-8FC9-4878-A047-E4A452E41D67
Database ID 1728