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Vuoriyarvite-K

Pictures (4 Images total)

Vuoriyarvit-K
Views (File:
1233064338
): 1024
Vuoriyarvit-K
Bildbreite: 4 mm; Fundort: Berg Flora, Lovozero Massif, Kola, Russland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Berg Flora
Mineral: Vuoriyarvite-K
Image: 1233064338
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Vuoriyarvit-K

Bildbreite: 4 mm; Fundort: Berg Flora, Lovozero Massif, Kola, Russland
Copyright: Stephan Wolfsried
Contribution: Hg 2009-01-27
Locality: Berg Flora / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Vuorijarvit-K
Views (File:
1130010991
): 756
Vuorijarvit-K
Bildbreite:3mm; Fundort:Mont Saint-Hilaire
Copyright: Stephan Wolfsried; Contribution: JHM
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Vuoriyarvite-K
Image: 1130010991
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Vuorijarvit-K

Bildbreite:3mm; Fundort:Mont Saint-Hilaire

Copyright: Stephan Wolfsried
Contribution: JHM 2005-10-22
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada
Vuoriyarvit-K
Views (File:
1229423792
): 845
Vuoriyarvit-K
Fundort: Kaskasnyunchorr, Khibiny, Kola, Russland; Bildbreite: 3 mm
Copyright: Leonardus; Contribution: Philip Blümner
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kaskasnyunchorr
Mineral: Vuoriyarvite-K
Image: 1229423792
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Vuoriyarvit-K

Fundort: Kaskasnyunchorr, Khibiny, Kola, Russland; Bildbreite: 3 mm
Copyright: Leonardus
Contribution: Philip Blümner 2008-12-16
Locality: Kaskasnyunchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Vuoriyarvit-K
Views (File:
1360624412
): 747
Vuoriyarvit-K
Bildbreite: 4 mm, Fundort: Kukisvumchorr, Khibiny, Kola-Halbinsel, Murmansk, Russland
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kukisvumchorr
Mineral: Vuoriyarvite-K
Image: 1360624412
Rating: 4 (votes: 1)
License: Usage for Mineralienatlas project only
Vuoriyarvit-K

Bildbreite: 4 mm, Fundort: Kukisvumchorr, Khibiny, Kola-Halbinsel, Murmansk, Russland
Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-11
Locality: Kukisvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color bräunlichgelb, rosa, rötlichbraun
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 6
Cleavages keine
Fracture uneben
Solubility - verdünnte HCl, H2SO4
Crystal System monoklin, Cm

Chemism

Chemical formula

(K,Na,☐)12Nb8(Si4O12)4O8·12-16H2O

Chemical composition

Natrium, Niob, Silicium, Kalium, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 2705.073156732 u; Number of atoms in the formula: 134

Info

Empirical formula:

(K0.6Na0.3Vc0.1)12Nb8(Si4O12)4O8·14H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Vacancy

Vc

0.00

1.2

0.90

0.0000000

0.0000000
Hydrogen

H

1.04

28

20.90

1.0079470

28.2225160
Oxygen

O

41.40

70

52.24

15.9994300

1,119.9601000
Sodium

Na

3.06

3.6

2.69

22.9897702

82.7631727
Silicon

Si

16.61

16

11.94

28.0855300

449.3684800
Potassium

K

10.41

7.2

5.37

39.0983100

281.5078320
Niobium

Nb

27.48

8

5.97

92.9063820

743.2510560

Strunz 9th edition incl. updates

9.CE.30b

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
E: [Si4O12]8- vierer-Einfachringe, ohne inselartige komplexe [Anionen]
30b:

Lapis Classification

VIII/E.07-040

VIII: SILIKATE
E: Ringsilikate
7: Viererringe [Si4O12] 8-; Labuntsovit-Gruppe

Classification by Hölzel

9.CB.510

9: SILICATES
C: Cyclosilicates
B: ~[Si4O12]8-, ~[Si4O10]4--Rings
5: Labuntsovite-Subgroup - Monoclinic, c=~~8

Dana 8th edition

60.01.03b.01

60: Cyclosilicates Cyclosilicate Four-Membered Rings
01: Cyclosilicates Cyclosilicate Four-Membered Rings as Titanosilicates
03b: Labuntsovite Group (Vuoriyarvite subgroup Monoclinic [Cm])

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Labuntsovite supergroup  ⇒ Vuoriyarvit-Gruppe

Optical Properties

Color

bräunlichgelb, rosa, rötlichbraun

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

Lustre

Glasglanz

max. Birefringence

0.110
Birefringence chart\! Vuoriyarvite-K title=Birefringence chart Vuoriyarvite-K

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

1.649

RI value β

1.655

RI value γ / ε

1.759

Ri mean

1.688

2V angle

Biaxial (+) 20°

Orientation

Z = c, X = b

Dispersion

schwach; r < v

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

8

Space Group

Cm

Cell parameters a (Å)

14.692

Cell parameters b (Å)

14.164

Cell parameters c (Å)

7.859

Cell parameters a/b or c/a

1.037

Cell parameters c/b

0.555

Cell parameters α

90°

Cell parameters β

117.87°

Cell parameters γ

90°

Z

1

Volume (ų)

1445.745

Physical Properties

Hardness (Mohs)

6

VHN (Hardness Vickers)

315 - 435 (30g)

Density (g/cm³)

3.02 (berechnet) 2.95 (gemessen)

3.107 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

spröde

Instability

- verdünnte HCl, H2SO4

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Vuorijärvi-Massiv (Vuoriyarvi)

Preface

Name from

Für die Typlokalität, Vuoriyarvi alkai-ultrabasisches Massiv, Kola-Halbinsel, Russland.

References

Lapis Nr. 7, Juli / Aug 2001

American Mineralogist, Volume 92 (2007), pages 1525–1530

Doklady Earth Sciences 358 (1998), 73

Crystallography Reports 43 (1998), 820

Jambor J L, Grew E S, Roberts A C - New mineral names, American Mineralogist 83 (1998), 1347-1352

IMA group assignments

Other languages

German

Vuoriyarvit-K

English

Vuoriyarvite-K

Russian

Вуориярвит-K

Alternative Name

German

Vuorijarvit-K

English

Vuorijarvite-K

German

Vuorijärvit

Lapis-Mineralienverzeichnis, 7. Aufl., 03/2018

CNMNC (IMA)-Number

IMA 1995-031

CNMNC symbol

Symbol

Vyv-K

Locations with GPS information

IDs

GUSID (Global unique identifier short form) L0nMe3OmlUOuy11Ck3W7_Q
GUID (Global unique identifier) 7BCC492F-A673-4395-AECB-5D429375BBFD
Database ID 4095