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Filipstadite

Pictures (2 Images total)

Filipstadit
Views (File:
1302789918
): 1057
Filipstadit
Bildbreite: 2 mm, Fundort: Jakobsberg, Nordmark, Filistad, Värmland, Schweden
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Nordmark (Nordmarksberg)/Jakobsberg
Mineral: Filipstadite
Image: 1302789918
Rating: 1.5 (votes: 2)
License: Usage for Mineralienatlas project only
Filipstadit

Bildbreite: 2 mm, Fundort: Jakobsberg, Nordmark, Filistad, Värmland, Schweden

Copyright: Luigi Chiappino
Contribution: thdun5 2011-04-14
Locality: Jakobsberg / Nordmark (Nordmarksberg) / Filipstad, Gemeinde / Värmland, Provinz / Schweden
Filipstadit und Svabit
Views (File:
1217419272
): 1427
Filipstadit und Svabit
und Calcit. F: schwarz-met., S: farblos-graubraun, C: farblos. Nordmark Erzfeld, Värmland, Schweden. 2,5x3cm.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Nordmark (Nordmarksberg)
Mineral: Filipstadite
Image: 1217419272
Rating: 2 (votes: 1)
License: Usage for Mineralienatlas project only
Filipstadit und Svabit

und Calcit. F: schwarz-met., S: farblos-graubraun, C: farblos. Nordmark Erzfeld, Värmland, Schweden. 2,5x3cm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2008-07-30
Locality: Nordmark (Nordmarksberg) / Filipstad, Gemeinde / Värmland, Provinz / Schweden

Collectors Summary

Color grau, mit bernsteinfarben-orangenen, braunen oder roten internen Reflektionen
Streak color braun
Hardness (Mohs) 6.25
Crystal System kubisch, Fd3m

Additional information / Summary

Die Kristallstruktur wurde 2013 von Paola Bonazzi etc. geklärt und neu definiert.

Chemism

Chemical formula

(Mn2+,Mg)2(Fe3+0.5Sb5+0.5)O4

Chemical composition

Antimon, Eisen, Magnesium, Mangan, Sauerstoff

Unit weight: 247.35997485 u; Number of atoms in the formula: 7

Info

Empirical formula:

(Mn0.75Mg0.25)2(Fe0.5Sb0.5)O4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

25.87

4

57.14

15.9994300

63.9977200

Magnesium

Mg

4.91

0.5

7.14

24.3050600

12.1525300

Manganese

Mn

33.31

1.5

21.43

54.9380499

82.4070749

Iron

Fe

11.29

0.5

7.14

55.8452000

27.9226000

Antimony

Sb

24.61

0.5

7.14

121.7601000

60.8800500

Analysis wt%

Al2O3 : 0.70, MgO : 11.90, MnO : 36.80, Fe2O3 : 15.40, Sb2O5 : 34.10 (Ref: American Mineralogist 88)

Strunz 9th edition incl. updates

4.BB.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
B: Metall: Sauerstoff = 3:4 und vergleichbare
B: Mit ausschließlich mittelgroßen [Kationen]
05:Spinel-Gruppe

Lapis Classification

IV/B.05-070

IV: OXIDE
B: Oxide mit Verhältnis Metall zu Sauerstoff = 3:4 (Spinelltyp M3O4 und verwandte Verbindungen)

Classification by Hölzel

4.CD.170

4: OXIDES
C: R2O3 Sesquioxides
D: Ilmenite-Group

Dana 8th edition

07.02.13.01

07: Multiple Oxides
02: Multiple Oxides (A+ B++)2 X4 Spinel group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Spinel supergroup  ⇒ Oxyspinel group  ⇒ Ulvöspinel subgroup

Optical Properties

Color

grau, mit bernsteinfarben-orangenen, braunen oder roten internen Reflektionen

Streak color

braun

Diaphaneity (Transparency)

opak

RI value α / ω / n

2.04

RI value β

2.04

RI value γ / ε

2.04

Ri mean

2.040

2V angle

Biaxial

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 12.80, , 12.80
(420) 12.50, , 12.50
(440) 12.40, , 12.40
(460) 12.20, , 12.20
(480) 12.00, , 12.00
(500) 11.90, , 11.90
(520) 11.80, , 11.80
(540) 11.70, , 11.70
(560) 11.60, , 11.60
(580) 11.60, , 11.60
(600) 11.60, , 11.60
(620) 11.60, , 11.60
(640) 11.50, , 11.50
(660) 11.50, , 11.50
(680) 11.40, , 11.40
(700) 11.40, , 11.40

Reflection chart Filipstadite

Reflectivity Ø

11.84

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

25.9300

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

216

Volume (ų)

17434.422

X-Ray Powder Diffraction

4.97(20),
3.05(30),
2.56(100),
2.157(40),
1.662(60),
1.527(70),
1.318(20),
1.125(30)

XRD chart Filipstadite

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)

6.25

VHN (Hardness Vickers)

831 (100g)

Density (g/cm³)

4.9 (berechnet)

5.089 ( ρ calc. Mineralienatlas )

Preface

Occurrences

Schweden/Värmland/Filipstad/Nordmark/Jakobsberg

Author (Name, Year)

Dunn & Peacor & Criddle & Stanley, 1988

References

American Mineralogist 73 (1988), 413

The crystal structure of the rare, spinel-related Sb mineral filipstadite from Långban, Filipstad district, Värmland, Sweden, has been solved and refined in the space group Fd3m - Paola Bonazzi, Laura Chelazzi, Luca Bindi: Superstructure, crystal chemistry, and cation distribution in filipstadite, a Sb5+-bearing, spinel-related mineral. American Mineralogist 98 (2013) S. 361-366.

IMA group assignments


 
 
 
 
 


 
 
 
 
Fe2SiO4
kubisch
Fd3m

 
 
 
 
(Fe2+)2Ge4+O4
kubisch
Fd3m

 
 
 
 
(Mn2+,Mg)2(Fe3+0.5Sb5+0.5)O4
kubisch
Fd3m

 
 
 
 
(Mg,Fe2+)2(Ti,Fe3+,Al)O4
kubisch
Fd3m

 
 
 
 
(Mg,Fe2+)2SiO4
kubisch
Fd3m

 
 
 
 
(Mg,Mn2+)2(Sb5+,Mn3+)O4
trigonal
R3, R3

 
 
 
 
TiFe22+O4
kubisch
Fd3m

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Actuality: 24. Mar 2024 - 19:51:41

Other languages

German

Filipstadit

Spanish

Filipstadita

English

Filipstadite

French

Filipstadite

Russian

Филипстадит

Japanese

フィリプスタド鉱

CNMNC (IMA)-Number

IMA 1987-010

CNMNC symbol

Symbol

Fps

Locations with GPS information

IDs

GUSID (Global unique identifier short form) UT_71-__VUqu-nJWIHwcPQ
GUID (Global unique identifier) D7FB3F51-FFEF-4A55-AEFA-7256207C1C3D
Database ID 1223