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Sveinbergeite

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Sveinbergeit
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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 og Telemark, 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

Volumne (ų)

701.562

Kristall 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 og Telemark, Provinz/Sandefjord, Kommune/Vesterøya/Buer

Type mate­r­ial

Fersman Mineralogical Museum, Moskau, Russland

Col­lec­tion number of type mate­r­ial

3966

Preface

Author (Name, Year)

Khomyakov, A.P., Cámara, F., Sokolova, E. and Hawthorne, F.C. (2010)

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

IMA group assignments

Other languages

German

Sveinbergeit

English

Sveinbergeite

CNMNC (IMA)-Number

IMA 2010-027

CNMNC symbol

Symbol

Sve

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

German pages

DeWikiPedia - search for: Sveinbergeit
Google-Bilder-Suche - search for: Sveinbergeit
Mineralienatlas.de (Forum) - search for: Sveinbergeit

English pages

Mindat - search for: Sveinbergeite
Webmineral - search for:Sveinbergeite
Handbook-of-Mineralogy - search for: Sveinbergeite
RRUFF - Raman, XRD and other mineral data - search for: Sveinbergeite
RRUFF - References and PDF downloads - search for: Sveinbergeite
American-Mineralogist-Crystal-Structure-Database - search for: Sveinbergeite
Strahlen.org - search for: Sveinbergeite

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Sveinbergeit
Crystal-Treasure.com - search for: Sveinbergeit
Bosse - search for: Sveinbergeit
Edelsteine Neuburg - Gundolf Fischer - search for: Sveinbergeit