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

Ferrokentbrooksite

Pictures (9 Images total)

Ferrokentbrooksit
Views (File:
1165417437
): 1526
Ferrokentbrooksit
Bildbreite: 2 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Ferrokentbrooksite
Image: 1165417437
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Ferrokentbrooksit

Bildbreite: 2 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada
Ferrokentbrooksit
Views (File:
1402993329
): 493
Ferrokentbrooksit
Bildbreite: 3 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Ferrokentbrooksite
Image: 1402993329
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Ferrokentbrooksit

Bildbreite: 3 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2014-06-17
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada
Ferrokentbrooksit von Los Humilladeros,Teneriffa
Views (File:
1538210437
): 1305
Ferrokentbrooksit von Los Humilladeros,Teneriffa
Orangegelber pseudohexagonaler Kristall im Syenit. Bildbreite 1,5 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Los Humilladeros
Mineral: Ferrokentbrooksite
Rock: syenite
Image: 1538210437
Rating: 4 (votes: 1)
License: Usage for Mineralienatlas project only
Ferrokentbrooksit von Los Humilladeros,Teneriffa

Orangegelber pseudohexagonaler Kristall im Syenit. Bildbreite 1,5 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2018-09-29
Locality: Los Humilladeros / Teneriffa / Kanarische Inseln / Spanien
Ferrokentbrooksit (braun) in Albit
Views (File:
1242506673
): 927
Ferrokentbrooksit (braun) in Albit
Größe: 50x40x35 mm; Fundort: Tuliok, Kukisvumchorr, Khibiny, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: Philip Blümner
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kukisvumchorr/östlicher Hang/Tuliok-Fluss-Oberlauf
Mineral: Ferrokentbrooksite
Image: 1242506673
License: Usage for Mineralienatlas project only
Ferrokentbrooksit (braun) in Albit

Größe: 50x40x35 mm; Fundort: Tuliok, Kukisvumchorr, Khibiny, Kola, Murmansk, Russland

Copyright: Pavel M. Kartashov
Contribution: Philip Blümner 2009-05-16
Locality: Tuliok-Fluss-Oberlauf / östlicher Hang / Kukisvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Ferrokentbrooksit
Views (File:
1275738503
): 659
Ferrokentbrooksit
Kristallgröße: 0,9 mm, Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Jason B. Smith; Contribution: thdun5
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Ferrokentbrooksite
Image: 1275738503
License: Usage for Mineralienatlas project only
Ferrokentbrooksit

Kristallgröße: 0,9 mm, Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Jason B. Smith
Contribution: thdun5 2010-06-05
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada

Collectors Summary

Color rötlichbraun, rot
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5.00 - 6.00
Cleavages keine
Fracture uneben bis muschelig
Crystal System trigonal, R3m

Chemism

Chemical formula

Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2

Chemical composition

Calcium, Chlor, Eisen, Natrium, Niob, Silicium, Zirconium, Fluor, Sauerstoff, Wasserstoff

Unit weight: 3085.262590375 u; Number of atoms in the formula: 132.5

Info

Empirical formula:

Na15Ca6Fe3Zr3Nb(Si25O73)(O0.6(OH)0.3(H2O)0.1)3(F0.75Cl0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.05

1.5

1.13

1.0079470

1.5119205

Oxygen

O

39.41

76

57.36

15.9994300

1,215.9566800

Fluorine

F

0.92

1.5

1.13

18.9984033

28.4976049

Sodium

Na

11.18

15

11.32

22.9897702

344.8465530

Silicon

Si

22.76

25

18.87

28.0855300

702.1382500

Chlorine

Cl

0.57

0.5

0.38

35.4532000

17.7266000

Calcium

Ca

7.79

6

4.53

40.0784000

240.4704000

Iron

Fe

5.43

3

2.26

55.8452000

167.5356000

Zirconium

Zr

8.87

3

2.26

91.2242000

273.6726000

Niobium

Nb

3.01

1

0.75

92.9063820

92.9063820

Strunz 9th edition incl. updates

9.CO.10

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
O: ~[Si9O27]18- neuner-Ringe
10:Eudialyt-Gruppe

Lapis Classification

VIII/E.25-020

VIII: SILIKATE
E: Ringsilikate
25: Neunerringe + Dreierringe; Eudialyt-Gruppe

Classification by Hölzel

9.CG.120

9: SILICATES
C: Cyclosilicates
G: ~[Si3O9]6-- + ~[Si9O27]18--Rings Eudialyte-Group
1: Eudialyte-Group - c=30, Fe- Series

Dana 8th edition

64.01.01.07

64: Cyclosilicates Cyclosilicates
01: Cyclosilicates Cyclosilicates Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types
01: Eudialyte Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Eudialyte group

Optical Properties

Color

rötlichbraun, rot

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.003

Birefringence chart\! Ferrokentbrooksite title=Birefringence chart Ferrokentbrooksite

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

1.622

RI value γ / ε

1.619

Ri mean

1.621

2V angle

Uniaxial (-)

Optical Data Luminescence

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

14.210

Cell parameters b (Å)

-

Cell parameters c (Å)

30.067

Cell parameters a/b or c/a

2.116

Cell parameters c/b

-

Z

3

Volume (ų)

5257.858

X-Ray Powder Diffraction

7.104(40),
5.694(50),
4.300(40),
3.955(30),
3.391(50),
3.207(30),
2.968(100),
2.847(100)

XRD chart Ferrokentbrooksite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.00 - 6.00

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.06 (gemessen)

2.923 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben bis muschelig

Tenacity

spröde

Preface

Author (Name, Year)

Johnsen & Grice & Gault, 2003

References

Canadian Mineralogist 41 (2003), 55

IMA group assignments

Other languages

German

Ferrokentbrooksit

Spanish

Ferrokentbrooksita

English

Ferrokentbrooksite

French

Ferrokentbrooksite

Russian

Феррокентбруксит

Traditional Chinese

鐵鈮異性石

Simplified Chinese

铁铌异性石

CNMNC (IMA)-Number

IMA 1999-046

CNMNC symbol

Symbol

Fktb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) JujLVUPjtkWQLqjPo4afvQ
GUID (Global unique identifier) 55CBE826-E343-45B6-902E-A8CFA3869FBD
Database ID 1183