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Sverigeite

Collectors Summary

Color gelb
Streak color weiß
Hardness (Mohs) 6.5
Crystal System orthorhombisch, Imma

Chemism

Chemical formula

NaMnMgSn4+Be2Si3O12(OH)

Chemical composition

Beryllium, Magnesium, Mangan, Natrium, Silicium, Zinn, Sauerstoff, Wasserstoff

Unit weight: 532.2250717 u; Number of atoms in the formula: 23

Info

Empirical formula:

NaMnMgSnBe2Si3O12(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.19

1

4.35

1.0079470

1.0079470

Beryllium

Be

3.39

2

8.70

9.0121823

18.0243646

Oxygen

O

39.08

13

56.52

15.9994300

207.9925900

Sodium

Na

4.32

1

4.35

22.9897702

22.9897702

Magnesium

Mg

4.57

1

4.35

24.3050600

24.3050600

Silicon

Si

15.83

3

13.04

28.0855300

84.2565900

Manganese

Mn

10.32

1

4.35

54.9380499

54.9380499

Tin

Sn

22.30

1

4.35

118.7107000

118.7107000

Analysis wt%

SiO2 : 33.50, ZnO : 1.20, MgO : 8.10, MnO : 11.80, Na2O : 6.10, BeO : 9.70, SnO2 : 28.50, H2O : 1.20 (Ref: Geologiska Föreningens i Stockholm 84)

Strunz 9th edition incl. updates

9.AE.15

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
E: Insel(Neso)silikate mit zusätzlichem (O,OH,F,H2O); Kationen in tetrahedralrt [4] und meist größerer Koordination
15:Sverigeit-Gruppe

Lapis Classification

VIII/F.38-010

VIII: SILIKATE
F: Ketten- und Bandsilikate
38: Komplexe Kettenstrukturen (Zylinderketten u.a.)

Classification by Hölzel

9.DE.500

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
E: Orthorhombic Pyroxenes and Pyroxenoides

Dana 8th edition

51.02.02.01

51: Nesosilicate Minerals
02: Nesosilicates Nesosilicate Insular SiO4 Groups Only with cations in [4] as well as >[4]

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb

Streak color

weiß

max. Birefringence

0.021

Birefringence chart\! Sverigeite title=Birefringence chart Sverigeite

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

1.678

RI value β

1.684

RI value γ / ε

1.699

Ri mean

1.687

2V angle

Biaxial (+) 67°

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

74

Space Group

Imma

Cell parameters a (Å)

10.815

Cell parameters b (Å)

13.273

Cell parameters c (Å)

6.818

Cell parameters a/b or c/a

0.815

Cell parameters c/b

0.514

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

978.707

X-Ray Powder Diffraction

6.63(50),
5.77(70),
4.35(70),
2.98(60),
2.884(100),
2.826(90),
2.706(50),
2.644(60)

XRD chart Sverigeite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6.5

VHN (Hardness Vickers)

960 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.60 (gemessen)

3.612 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Dunn & Peacor & Simmons & Gaines, 1984

References

Geologiska Föreningens i Stockholm Förhandlingar 106 (1984), 175

Other languages

German

Sverigeit

English

Sverigeite

French

Sverigeite

Spanish

Sverigeíta

Russian

Сверигеит

CNMNC (IMA)-Number

IMA 1983-066

CNMNC symbol

Symbol

Svg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) c1yxHa0vPkKi-TbeyfXO1A
GUID (Global unique identifier) 1DB15C73-2FAD-423E-A2F9-36DEC9F5CED4
Database ID 3707