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Sveinbergeite

Pictures (1 Images total)

Sveinbergeit
Views (File:
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Sveinbergeit
grüner Kristall von Sveinbergeit, Buer, Vesterøya, Sandefjord, Vestfold, Norwegen; Kristalllänge 1,5 mm
Copyright: Joy Desor; Contribution: openpit
Location: Norwegen/Vestfold, Provinz/Sandefjord, Kommune/Vesterøya/Buer
Mineral: Sveinbergeite
Image: 1582356415
License: Usage for Mineralienatlas project only
Sveinbergeit

grüner Kristall von Sveinbergeit, Buer, Vesterøya, Sandefjord, Vestfold, Norwegen; Kristalllänge 1,5 mm

Copyright: Joy Desor
Contribution: openpit 2020-02-22
Locality: Buer / Vesterøya / Sandefjord, Kommune / Vestfold, Provinz / Norwegen

Collectors Summary

Crystal System triklin, P1

Chemism

Chemical formula

Ca(Fe2+6Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4

Additional chem. information

Astrophyllit-Gruppe

Chemical composition

Calcium, Eisen, Silicium, Titan, Sauerstoff, Wasserstoff

Unit weight: 1324.496601 u; Number of atoms in the formula: 66

Info

Empirical formula:

Ca(Fe6Fe)Ti2(Si4O12)2O2(OH)5(H2O)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.99

13

19.70

1.0079470

13.1033110

Oxygen

O

42.28

35

53.03

15.9994300

559.9800500

Silicon

Si

16.96

8

12.12

28.0855300

224.6842400

Calcium

Ca

3.03

1

1.52

40.0784000

40.0784000

Titanium

Ti

7.23

2

3.03

47.8671000

95.7342000

Iron

Fe

29.51

7

10.61

55.8452000

390.9164000

Strunz 9th edition incl. updates

9.DC.05

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
C: Ketten- und Bandsilikate mit verzweigten 2-periodischen Einzelketten, Si2O6 + 2SiO3 -> Si4O12
05:Astrophyllit-Gruppe

Lapis Classification

VIII/G.12-085

VIII: SILIKATE
G: Übergangsstrukturen zwischen Ketten- und Schichtsilikaten
12: Astrophyllit-Gruppe

Classification by Hölzel

9.DU.555

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

IMA status

anerkannt CNMNC im Sept. 2010

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Astrophyllite supergroup  ⇒ Devitoite group

Optical Properties

max. Birefringence

0.008

Birefringence chart\! Sveinbergeite title=Birefringence chart Sveinbergeite

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

1.745

RI value β

1.746

RI value γ / ε

1.753

Ri mean

1.748

2V angle

Biaxial (+) 20°

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

5.33

Cell parameters b (Å)

11.82

Cell parameters c (Å)

11.85

Cell parameters a/b or c/a

0.451

Cell parameters c/b

1.003

Cell parameters α

101.20

Cell parameters β

98.20

Cell parameters γ

102.50

Z

1

Volume (ų)

701.562

Crystal structure

Struktur ermittelt

X-Ray Powder Diffraction

11.148(20), 5.683(5), 3.799(43), 2.853(100), 2.633(7), 2.489(5), 2.267(5), 1.643(5)

XRD chart Sveinbergeite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.135 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Norwegen/Vestfold, Provinz/Sandefjord, Kommune/Vesterøya/Buer

Type material

Fersman Mineralogical Museum, Moskau, Russland

Collection number of type material

3966

Preface

Author (Name, Year)

A. P. Khomyakov, F. Cámara, E. Sokolova, Y. Abdu, F. C. Hawthorne (2011)

References

Khomyakov, A.P., Cámara, F., Sokolova, E. and Hawthorne, F.C. (2010) Sveinbergeite, IMA 2010-027. CNMNC Newsletter, October 2010, page 899; Mineralogical Magazine, 74, 899-902.

A. P. Khomyakov, F. Cámara, E. Sokolova, Y. Abdu, F. C. Hawthorne: Sveinbergeite, Ca( Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4, a new astrophyllite-group mineral from the Larvik Plutonic Complex, Oslo Region, Norway: description and crystal structure. Mineral Mag Vol. 75 (2011) S. 2687-2702.

IMA group assignments


 
 
 
 
 

 
 
 
[Ba6(PO4)2(CO3)] [Fe2+7Fe3+2(Si4O12)2O2(OH)4]
triklin
P1

 
 
 
K2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4
monoklin
A2/m

 
 
 
Ca(Fe2+6Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4
triklin
P1

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Actuality: 26. Mar 2024 - 00:52:49

Other languages

German

Sveinbergeit

English

Sveinbergeite

CNMNC (IMA)-Number

IMA 2010-027

CNMNC symbol

Symbol

Sve

IDs

GUSID (Global unique identifier short form) WoCIn5XvHUW45ROZxO9NZw
GUID (Global unique identifier) 9F88805A-EF95-451D-B8E5-1399C4EF4D67
Database ID 6952