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Ferberite

Pictures (113 Images total)

Arsenkies, Ferberit
Views (File:
1464244346
): 4620, Rating: 9.6
Arsenkies, Ferberit
Specimen = ca. 35 mm; Panasqueira
Copyright: Andreas Schmid; Contribution: Andreas Schmid
Collection: Andreas Schmid
Location: Portugal/Castelo Branco, Distrikt/Covilhã/Panasqueira/Panasqueira Mine (Couto Mineiro da Panasqueira)
Mineral: Arsenopyrite, Ferberite
Image: 1464244346
Rating: 9.6 (votes: 5)
License: Usage for Mineralienatlas project only
Arsenkies, Ferberit

Specimen = ca. 35 mm; Panasqueira
Collection: Andreas Schmid
Copyright: Andreas Schmid
Contribution: Andreas Schmid 2016-05-26
Locality: Panasqueira Mine (Couto Mineiro da Panasqueira) / Panasqueira / Covilhã / Castelo Branco, Distrikt / Portugal
Ferberite
Views (File:
1431746260
): 3219
Ferberite
Ferberite specimen, from Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal; Size 44 х 39 х 35 mm
Copyright: pegmatite; Contribution: pegmatite
Collection: pegmatite
Location: Portugal/Castelo Branco, Distrikt/Covilhã/Panasqueira/Panasqueira Mine (Couto Mineiro da Panasqueira)
Mineral: Ferberite
Image: 1431746260
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Ferberite

Ferberite specimen, from Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal; Size 44 х 39 х 35 mm
Collection: pegmatite
Copyright: pegmatite
Contribution: pegmatite 2015-05-16
Locality: Panasqueira Mine (Couto Mineiro da Panasqueira) / Panasqueira / Covilhã / Castelo Branco, Distrikt / Portugal
Ferberit xx
Views (File:
1535773692
): 2572, Rating: 8.86
Ferberit xx
Bildbreite 2,4 mm entstanden aus 83 Aufnahmen mit der Stacking-Methode; Grube Clara, Oberwolfach, Funddatum 19.01.1991, Sammlung P. Sautner
Copyright: Karlheinz Grosch; Contribution: Karlheinz Grosch
Collection: P. Sautner
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Ferberite
Image: 1535773692
Rating: 8.86 (votes: 7)
License: Usage for Mineralienatlas project only
Ferberit xx

Bildbreite 2,4 mm entstanden aus 83 Aufnahmen mit der Stacking-Methode; Grube Clara, Oberwolfach, Funddatum 19.01.1991, Sammlung P. Sautner
Collection: P. Sautner
Copyright: Karlheinz Grosch
Contribution: Karlheinz Grosch 2018-09-01
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Ferberit
Views (File:
1238146365
): 3615
Ferberit
Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Ferberite
Image: 1238146365
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Ferberit

Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland
Copyright: Stephan Wolfsried
Contribution: Hg 2009-03-27
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Ferberit-Rosette mit Siderit x
Views (File:
1518034461
): 1523
Ferberit-Rosette mit Siderit x
Bildbreite 1,1 mm; Steinerleinbach bei Röhrnbach, Bayerischer Wald
Copyright: Gilbertmin; Contribution: Gilbertmin
Collection: Gilbertmin, Collection number: 5427
Location: Deutschland/Bayern/Niederbayern, Bezirk/Freyung-Grafenau, Landkreis/Röhrnbach/Steinerleinbach/Steinbruch Steinerleinbach
Mineral: Ferberite
Image: 1518034461
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Ferberit-Rosette mit Siderit x (SNr: 5427)

Bildbreite 1,1 mm; Steinerleinbach bei Röhrnbach, Bayerischer Wald
Collection: Gilbertmin
Copyright: Gilbertmin
Contribution: Gilbertmin 2018-02-07
Locality: Steinbruch Steinerleinbach / Steinerleinbach / Röhrnbach / Freyung-Grafenau, Landkreis / Niederbayern, Bezirk / Bayern / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color schwarz
Streak color bräunlichschwarz
Hardness (Mohs) 4.25
Solubility + konz. heiße Säuren, +- HF
Crystal System monoklin, P2/c

Chemism

Chemical formula

Fe2+WO4

Chemical composition

Eisen, Sauerstoff, Wolfram

Unit weight: 303.68392 u; Number of atoms in the formula: 6

Info

Empirical formula:

FeWO4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

21.07

4

66.67

15.9994300

63.9977200
Iron

Fe

18.39

1

16.67

55.8452000

55.8452000
Tungsten

W

60.54

1

16.67

183.8410000

183.8410000

Analysis wt%

MnO : 1.41, FeO : 22.54, WO3 : 75.07, SiO2 : 0.88 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

4.DB.30

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
B: Mit mittelgroßen [Kationen]: Ketten kantenverknüpfter Oktaeder
30:Wolframit-Gruppe

Lapis Classification

IV/D.16-020

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)
16: Wolframit-Reihe

Classification by Hölzel

4.DH.120

4: OXIDES
D: Dioxides
H: Wolframite-Group

Dana 8th edition

48.01.01.02

48: Anhydrous Molybdates and Tungstates
01: Anhydrous Molybdates and Tungstates where A XO4
01: Wolframite series

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Columbite supergroup  ⇒ Wolframite group

Optical Properties

Color

schwarz

Streak color

bräunlichschwarz

Diaphaneity (Transparency)

fast opak

max. Birefringence

0.159
Birefringence chart\! Ferberite title=Birefringence chart Ferberite

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

2.255

RI value β

2.305

RI value γ / ε

2.414

Ri mean

2.325

2V angle

Biaxial (+) 68°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

13

Space Group

P2/c

Cell parameters a (Å)

4.730

Cell parameters b (Å)

5.703

Cell parameters c (Å)

4.952

Cell parameters a/b or c/a

0.829

Cell parameters c/b

0.868

Cell parameters α

90°

Cell parameters β

90.0

Cell parameters γ

90°

Z

2

Volume (ų)

133.581

X-Ray Powder Diffraction

4.75(30),
3.749(30),
3.651(30),
2.941(100),
2.938(90),
2.479(30),
1.713(20),
1.712(20)
XRD chart Ferberite

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)

4.25

VHN (Hardness Vickers)

230 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

7.5 - 7.4 / Durchschnittlich = 7.45

7.55 ( ρ calc. Mineralienatlas )

Instability

+ konz. heiße Säuren, +- HF

(Co-)Type locality

(Co-)Type locality

Spanien/Andalusien (Andalucía)/Almería, Provinz/Levante Almeriense, Comarca/Cuevas de Almanzora, Municipio/Los Lobos/Sierra Almagrera/Jaroso Ravine (Baranco Del Jaroso)

Type material

Mineralogische Sammlung der TU Bergakademie Freiberg

Collection number of type material

36114

Preface

Name from

Moritz Rudolf Ferber (1805-1875), Geraer Naturforscher

Author (Name, Year)

Breithaupt, 1863

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 220

IMA group assignments

Other languages

Dutch

Ferberiet

German

Ferberit

Spanish

Ferberita

English

Ferberite

French

Ferberite

Russian

Ферберит

Japanese

鉄重石

Simplified Chinese

钨铁矿

Alternative Name

Ferrotungstate

German

Ferrowolframit

Iron Tungstate

CNMNC symbol

Symbol

Feb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) wxftQgExZECYPm3PGEl4ZQ
GUID (Global unique identifier) 42ED17C3-3101-4064-983E-6DCF18497865
Database ID 1115