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Ivanyukite-K

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Ivanyukit-K
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Ivanyukit-K

farbloser, zonierter, würfeliger Ivanyukit-K, Koashva Tagebau, Koashva, Chibiny, Kola, Russland; BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-15
Locality: Koashva Grube / Berg Koashva / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color blassblau
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4
Cleavages vollkommen (100)
Fracture abgestuft
Crystal System kubisch, P43m

Chemism

Chemical formula

K2[Ti4(OH)2O2(SiO4)3]·9H2O

Chemical composition

Silicium, Titan, Kalium, Sauerstoff, Wasserstoff

Unit weight: 774.0663 u; Number of atoms in the formula: 54

Info

Empirical formula:

K2[Ti4(OH)2O2(SiO4)3]·9H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.60

20

37.04

1.0079470

20.1589400

Oxygen

O

51.67

25

46.30

15.9994300

399.9857500

Silicon

Si

10.88

3

5.56

28.0855300

84.2565900

Potassium

K

10.10

2

3.70

39.0983100

78.1966200

Titanium

Ti

24.74

4

7.41

47.8671000

191.4684000

Analysis wt%

SiO2 : 23.16, Nb2O5 : 3.62, TiO2 : 36.14, Al2O3 : 0.18, FeO : 0.37, CuO : 2.21, MnO : 0.68, CaO : 0.95, SrO : 0.19, Na2O : 0.27, K2O : 7.09, H2O : 25.00 (Ref: American Mineralogist 2009)

Strunz 9th edition incl. updates

9.

9: Silikate (Germanate)

Lapis Classification

VIII/B.13-040

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
13: Kationen mit Koordinationszahlen zwischen [8] und [12]

Classification by Hölzel

9.AH.405

9: SILICATES
A: Nesosilicates
H: Nesosilicates with O + (OH, OH,X, X)
4: microporous - Ivanyukite-Group

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Pharmacosiderite supergroup  ⇒ Ivanyukite group

Optical Properties

Color

blassblau

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend

Lustre

Glasglanz

max. Birefringence

0.000

RI value α / ω / n

1.73

Ri mean

1.730

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

215

Space Group

P43m

Cell parameters a (Å)

7.808

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)

476.014

X-Ray Powder Diffraction

7.85(100), 3.91(20), 3.201(80), 2.765(20), 2.602(30), 2.471(40), 1.951(30), 1.839(30)

XRD chart Ivanyukite-K

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.7 gem.

2.7 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (100)

Fracture

abgestuft

Tenacity

spröde

Preface

Name from

Der Name ehrt den russischen Mineralogen und Petrologen Gregory Yur’evich Ivanyuk, Direktor des Laboratory of Self-Organized Mineral Systems am Geological Institute des Kola Science Centre der Russischen Akademie der Wissenschaften.

Author (Name, Year)

Yakovenchuk, V.N. et al., 2009

References

Yakovenchuk, Victor N., Nikolaev, Alexander P. et al.: Ivanyukite-Na-T, ivanyukite-Na-C, ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na-T. American Mineralogist 94 (2009) S.1450-1458.

Neue Mineralien - IMA WEB Seite Dez. 2007


Yakovenchuk, V.N., Selivanova, E.A., Ivanyuk, G.Yu., Pakhomovsky, Ya.A., Spiridonova, D.V., Krivovichev, S.V. (2008): First natural pharmacosiderite-related titanosilicates and their ion-exchange properties. Minerals as Advanced Materials I, DOI 10.1007/978-3-540-77123-4, 27-35.
Mineralien Welt 02/10 Steffen Jahn

IMA group assignments

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Paranatisite

Na2(TiO)SiO4

orthorhombisch : mm2 : Pmc21

VIII/B.13-005

Natisite

Na2(TiO)SiO4

tetragonal : 4/mmm : P4/nmm

VIII/B.13-010

Ivanyukite-Cu

Cu[Ti4(OH)2O2(SiO4)3]·7H2O

kubisch : 43m : P43m

VIII/B.13-020

Ivanyukite-Na

Na2[Ti4O2(OH)2(SiO4)3]·6H2O

kubisch : 43m : P43m

VIII/B.13-030

Ivanyukite-K

K2[Ti4(OH)2O2(SiO4)3]·9H2O

kubisch : 43m : P43m

VIII/B.13-040

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Ivanyukite-Na

Na2[Ti4O2(OH)2(SiO4)3]·6H2O

kubisch : 43m : P43m

9.AH.400

Ivanyukite-K

K2[Ti4(OH)2O2(SiO4)3]·9H2O

kubisch : 43m : P43m

9.AH.405

Ivanyukite-Cu

Cu[Ti4(OH)2O2(SiO4)3]·7H2O

kubisch : 43m : P43m

9.AH.410

'Ivanyukite-Na-T' (Pol.v. Ivanyukite-Na)

Na3[Ti4(OH)O3(SiO4)3]·7H2O

trigonal : 3m : R3m

9.AH.430

Other languages

German

Ivanyukit-K

English

Ivanyukite-K

Russian

Иванюкит-K

Alternative Name

English

Ivanukite-K

maybe wrong spelling

IMA Number

IMA 2007-042

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

German pages

DeWikiPedia - search for: Ivanyukit-K
Google-Bilder-Suche - search for: Ivanyukit-K
Mineralogisch-Petrographisches-Institut Hamburg - search for: Ivanyukit-K

English pages

Mindat - search for: Ivanyukite-K
Webmineral - search for:Ivanyukite-K
Handbook-of-Mineralogy - search for: Ivanyukite-K
RRUFF - Raman, XRD and other mineral data - search for: Ivanyukite-K
RRUFF - References and PDF downloads - search for: Ivanyukite-K
American-Mineralogist-Crystal-Structure-Database - search for: Ivanyukite-K
Athena - search for: Ivanyukite-K

Russian pages

Webmineral.ru - search for: Иванюкит-K

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Ivanyukit-K
Crystal-Treasure.com - search for: Ivanyukit-K
Bosse - search for: Ivanyukit-K

Locations with GPS information




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