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Bussenite (Bussenit)

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Bussenit
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Bussenit
Bildbreite: 15 mm; Fundort: Kukisvumchorr, Khibiny, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kukisvumchorr
Mineral: Bussenite
Image: 1240945640
License: Usage for Mineralienatlas project only
Bussenit

Bildbreite: 15 mm; Fundort: Kukisvumchorr, Khibiny, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-04-28
Locality: Kukisvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color gelbbraun
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4
Cleavages vollkommen {001}, mäßig {110}, {1-10}
Fracture abgestuft
Crystal System triklin, P1
Morphology glimmerartige, teils gebogene, tafelige Kristalle

Chemism

Chemical formula

Na2Ba2Fe2+Ti(Si2O7)(CO3)O(OH)(H2O)F

Chemical composition

Barium, Eisen, Natrium, Silicium, Titan, Fluor, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 722.54391465 u; Number of atoms in the formula: 26

Info

Empirical formula:

Na2Ba2FeTi(Si2O7)(CO3)O(OH)(H2O)F

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.42

3

11.54

1.0079470

3.0238410
Carbon

C

1.66

1

3.85

12.0107800

12.0107800
Oxygen

O

28.79

13

50.00

15.9994300

207.9925900
Fluorine

F

2.63

1

3.85

18.9984033

18.9984033
Sodium

Na

6.36

2

7.69

22.9897702

45.9795404
Silicon

Si

7.77

2

7.69

28.0855300

56.1710600
Titanium

Ti

6.62

1

3.85

47.8671000

47.8671000
Iron

Fe

7.73

1

3.85

55.8452000

55.8452000
Barium

Ba

38.01

2

7.69

137.3277000

274.6554000

Analysis wt%

Ø SiO2 : 18.01, Nb2O5 : 1.04, TiO2 : 11.57, FeO : 6.77, MnO : 4.68, CaO : 1.56, SrO : 6.78, BaO : 28.79, Na2O : 8.98, K2O : 0.65, CO2 : 5.76, F : 2.79, H2O : 3.90 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2001)

Strunz 9th edition incl. updates

9.BE.65

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
E: Si2O7 Gruppen mit zusätzlichen Anionen; Kationen in oktahedraler [6] und größerer Koordination
65:Bussenit-Gruppe

Lapis Classification

VIII/C.14-110

VIII: SILIKATE
C: Gruppensilikate
14: Gruppensilikate [Si2O7] 6-, mit tetraederfremden Anionen (O,OH,F); Reihe Murmanit-Lomonosovit

Classification by Hölzel

9.BI.150

9: SILICATES
B: Sorosilicates
I: Murmanite-Group

Dana 8th edition

56.05.01.01

56: Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O
05: Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelbbraun

Streak color

weiß

Diaphaneity (Transparency)

durchsichtig bis durchscheinend

Lustre

Glasglanz

max. Birefringence

0.063
Birefringence chart\! Bussenite title=Birefringence chart Bussenite

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

1.671

RI value β

1.694

RI value γ / ε

1.734

Ri mean

1.700

2V angle

Biaxial (+) 71°

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

5.399

Cell parameters b (Å)

7.016

Cell parameters c (Å)

16.254

Cell parameters a/b or c/a

0.770

Cell parameters c/b

2.317

Cell parameters α

102.44°

Cell parameters β

93.18°

Cell parameters γ

90.10°

Z

2

Volumne (ų)

600.251

X-Ray Powder Diffraction

3.910(40),
3.186(100),
3.055(40),
2.797(30),
2.738(60),
2.695(30),
2.677(30),
2.312(30)
XRD chart Bussenite

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

Morphology

glimmerartige, teils gebogene, tafelige Kristalle

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.708 (berechnet) 3.63 (gemessen)

3.997 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}, mäßig {110}, {1-10}

Fracture

abgestuft

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kukisvumchorr

Paragenesis of type material

Calcit, Natrolith, Sodalith

Preface

Associations

Calcit, Natrolith, Sodalith

Name from

Irina V. Bussen (geb. 1915), Spezialistin für Alkaligesteine von Khibiny und Lovozero

Author (Name, Year)

Khomyakov & Men'shikov & Nechelyustov & Zhou, 2001

Additional Information

optisch sehr ähnlich zu Lamprophyllit

References

Canadian Mineralogist 44 (2006), 1273

Other languages

German

Bussenit

Spanish

Bussenita

English

Bussenite

French

Bussenite

Russian

Буссенит

Simplified Chinese

羟氟碳硅钛铁钡钠石

Traditional Chinese

羥氟碳矽鈦鐵鋇鈉石

CNMNC (IMA)-Number

IMA 2000-035

CNMNC symbol

Symbol

Bus

Locations with GPS information