'._('einklappen').'
 

Britvinite (IMA 2006-031)

Collectors Summary

Color farblos bis blassgelb
Streak color weiß
Lustre Diamantglanz
Hardness (Mohs) 3
Cleavages vollkommen (001)
Fracture glimmerartig
Crystal System triklin, P1

Chemism

Chem­ical formula

Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7

Chem­ical com­po­si­tion

Aluminium, Arsen, Blei, Magnesium, Silicium, Bor, Kohlenstoff, Sauerstoff, Wasserstoff

Anal­y­sis wt%

SiO2 : 12.77, CO2 : 2.10, B2O3 : 2.67, Al2O3 : 0.41, MgO : 7.95, PbO : 71.92, H2O : 2.20 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2007)

Strunz 9th edi­tion incl. updates

9.EG.70

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
G: Doppelnetze mit sechsfach-Ringen
70:

Lapis Clas­sifica­tion

VIII/H.24-002

VIII: SILIKATE
H: Schichtsilikate
24: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen;

Clas­sifica­tion by Hölzel

9.ES.360

9: SILICATES
E: Phyllosilicates
S: Phyllosilicates with tetrahedral Doublelayers

IMA sta­tus

anerkannt 10/2006

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos bis blassgelb

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Diamantglanz

max. Birefrin­gence

0.007

Birefringence chart\! Britvinite title=Birefringence chart Britvinite

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

1.896

RI value β

1.903

RI value γ / ε

1.903

Ri mean

1.901

2V angle

Biaxial (-) 20°

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

9.341

Cell param­e­ters b (Å)

9.360

Cell param­e­ters c (Å)

18.333

Cell param­e­ters a/b or c/a

0.998

Cell param­e­ters c/b

1.959

Cell param­e­ters α

80.37

Cell param­e­ters β

75.82

Cell param­e­ters γ

59.87

Z

1

Volumne (ų)

1342.2

X-Ray Pow­der Diffrac­tion

18.1 (100), 3.39(30), 3.02(90), 2.698(70), 2.275(30), 1.867(30), 1.766(40), 1.519(40)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

5.42

Cleav­ages

vollkommen (001)

Frac­ture

glimmerartig

Tenac­ity

schneidbar

Preface

Asso­cia­tions

Barytocalcit, Brucit, Cerussit

Name from

Sergey N. Britvin (Spezialist für Karbonatit-und Skarn-Lagerstätten und Meteoriten)

Author (Name, Year)

Chukanov

References

Chukanov, N.V., Yakubovich, O.V., Pekov, I.V., Belakovsky, D.I., Massa, W. (2007) - Britvinite, Pb15Mg9(Si10O28)(BO3)4(CO3)2(OH)12O2 - a new mineral from Langban, Sweden. Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136 (6), 18-25.

O. V. Yakubovich, W. Massa and N. V. Chukanov (2008) - Crystal structure of britvinite [Pb7(OH)3F(BO3)2(CO3)][Mg4.5(OH)3(Si5O14)] - A new layered silicate with an original type of silicon-oxygen networks: Kristallografiya,53(2),233–242. English translation - Crystallography Reports 53, 206-215 (2008)
Mineralien Welt 04/08, Steffen Jahn, Die neuen Mineralien 2007 - 2008

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Britvinite

Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7

triklin : 1 : P1

9.EG.70

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

Britvinite

Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7

triklin : 1 : P1

VIII/H.24-002

Niksergievite

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

monoklin : 2/m, 2, m : C2/m, C2, Cm

VIII/H.24-005

Surite

Pb2Ca(Al,Mg)2(Si,Al)4O10(OH)2(CO3,OH)3·0.5 H2O

monoklin : 2 : P21

VIII/H.24-010

Ferrisurite

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

VIII/H.24-020

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

Wickenburgite

Pb3CaAl[Si10O27]·3H2O

trigonal : 3m : P31c

9.ES.300

Mathewrogersite

Pb7(Fe,Cu)Al3GeSi12O36·(OH,H2O)6

9.ES.320

Burckhardtite

Pb2(Fe3+Te6+)[AlSi3O8]O6

trigonal : 3m : P31m

9.ES.340

Britvinite

Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7

triklin : 1 : P1

9.ES.360

Other languages

German

Britvinit

Spanish

Britvinita

English

Britvinite

Russian

Бритвинит

Alternative Name

Molybdophyllite-18 Å

IMA Number

IMA 2006-031

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Бритвинит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Britvinit
Crystal-Treasure.com - search for: Britvinit
Bosse - search for: Britvinit

Locations with GPS information




Notice: "Undefined variable: ub"