https://www.edelsteine-neuburg.de
https://www.mineraliengrosshandel.com
https://www.mineralbox.biz
https://www.mineral-bosse.de
'._('einklappen').'
 

Wesselsite

Pictures (3 Images total)

Wesselsit
Views (File:
1590590043
): 410
Wesselsit
blaue Kristalle von Wesselsit, Wessels Mine, Hotazel, Kalahari-Manganfelder, Northern Cape, Südafrika; BB < 5 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Wesselsite
Image: 1590590043
License: Usage for Mineralienatlas project only
Wesselsit

blaue Kristalle von Wesselsit, Wessels Mine, Hotazel, Kalahari-Manganfelder, Northern Cape, Südafrika; BB < 5 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-27
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika
Wesselsit
Views (File:
1598793499
): 290
Wesselsit
Wessels Mine, Südafrika. BB 0,8mm. EDX-Analyse von Joy Desor.
Copyright: Mabu; Contribution: Mabu
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Wesselsite
Image: 1598793499
License: Usage for Mineralienatlas project only
Wesselsit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Wessels Mine, Südafrika. BB 0,8mm. EDX-Analyse von Joy Desor.

Copyright: Mabu
Contribution: Mabu 2020-08-30
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika
Wesselsit
Views (File:
1598794083
): 270
Wesselsit
Wessels Mine, Südafrika. BB 2,3mm; EDX-Analyse von Joy Desor.
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Wesselsite
Image: 1598794083
License: Usage for Mineralienatlas project only
Wesselsit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Wessels Mine, Südafrika. BB 2,3mm; EDX-Analyse von Joy Desor.

Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2020-08-30
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika

Collectors Summary

Color blau
Streak color blau weiß
Cleavages vollkommen {001}
Fracture nicht beobachtet
Crystal System tetragonal, P4/ncc

Chemism

Chemical formula

Sr0.9Ba0.1CuSi4O10

Chemical composition

Barium, Kupfer, Silicium, Strontium, Sauerstoff

Unit weight: 428.47439 u; Number of atoms in the formula: 16

Info

Empirical formula:

Sr0.9Ba0.1CuSi4O10

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

37.34

10

62.50

15.9994300

159.9943000

Silicon

Si

26.22

4

25.00

28.0855300

112.3421200

Copper

Cu

14.83

1

6.25

63.5463000

63.5463000

Strontium

Sr

18.40

0.9

5.63

87.6210000

78.8589000

Barium

Ba

3.21

0.1

0.63

137.3277000

13.7327700

Analysis wt%

Ø SrO : 24.00, CuO : 18.80, SiO2 : 56.90 (Ref: Mineralogical Magazine 96)

Strunz 9th edition incl. updates

9.EA.05

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
A: Einfache Tetraedernetze mit 4-, 5-, (6-), und 8 beteiligten Ringen
05:Gillespit-Gruppe

Lapis Classification

VIII/H.02-020

VIII: SILIKATE
H: Schichtsilikate
2: tetragonale oder pseudotetragonale Schichtstrukturen [Si4O10] 4- u.a.

Classification by Hölzel

9.EA.215

9: SILICATES
E: Phyllosilicates
A: tetragonal & pseudotetragonal Phyllosilicates
2: Cuprorivait-Group

Dana 8th edition

71.02.03.04

71: Phyllosilicate Minerals
02: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings with 2:1 Layers
03: Cuprorivaite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blau

Streak color

blau weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.040

Birefringence chart\! Wesselsite title=Birefringence chart Wesselsite

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

1.630

RI value γ / ε

1.590

Ri mean

1.617

2V angle

Uniaxial (-)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

130

Space Group

P4/ncc

Cell parameters a (Å)

7.366

Cell parameters b (Å)

-

Cell parameters c (Å)

15.574

Cell parameters a/b or c/a

2.114

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

845.013

Crystal structure

aufgeklärt, siehe Kevin S. Knight, C. Michael B. Henderson, Simon M. Clark: Structural variations in the wesselsite–effenbergerite (Sr1–xBaxCuSi4O10) solid solution. Eur J Mineral 22 (2010) S.411-423.

X-Ray Powder Diffraction

7.79(30),
3.444(40),
3.330(100),
3.119(50),
3.033(50),
2.677(20),
2.605(30),
2.322(30)

XRD chart Wesselsite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.2

3.368 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Fracture

nicht beobachtet

Tenacity

spröde

Preface

Author (Name, Year)

Giester & Rieck, 1996

References

Mineralogical Magazine 60 (1996), 795

Rieck, B., Pristacz, H., Giester, G. (2015): Colinowensite, BaCuSi2O6, a new mineral from the Kalahari Manganese Field, South Africa, and new data on wesselsite, SrCuSi4O10. Mineralogical Magazine, 79, (in press). [Formel]

Other languages

German

Wesselsit

Spanish

Wesselsita

French

Wesselsite

English

Wesselsite

Russian

Весселсит

CNMNC (IMA)-Number

IMA 1994-055

CNMNC symbol

Symbol

Wes

Locations with GPS information

IDs

GUSID (Global unique identifier short form) kuQHuaWBA0KAv9SPJGTLhw
GUID (Global unique identifier) B907E492-81A5-4203-80BF-D48F2464CB87
Database ID 4151