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Ferro-katophorite (褐钠闪石)

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Ferro-Katophorit
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Ferro-Katophorit

grünliche Spaltaggregate von Ferro-Katophorit, Kipawa, Les Lacs-du-Témiscamingue, Québec, Kanada; BB 1 mm

Copyright: Joy Desor
Contribution: openpit 2020-03-02
Locality: Kipawa-Komplex / Les Lacs-du-Témiscamingue / Témiscamingue, RCM / Abitibi-Témiscamingue, Region / Québec / Kanada

Collectors Summary

Color schwarz, grünlichschwarz, bläulichschwarz
Lustre Glasglanz
Crystal System monoklin, C2/m

Chemism

Chemical formula

Na(NaCa)(Fe2+4Al)(Si7Al)O22(OH)2

Chemical composition

Aluminium, Calcium, Eisen, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 946.0027408 u; Number of atoms in the formula: 42

Info

Empirical formula:

Na(NaCa)(Fe4Al)(Si7Al)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.21

2

4.76

1.0079470

2.0158940

Oxygen

O

40.59

24

57.14

15.9994300

383.9863200

Sodium

Na

4.86

2

4.76

22.9897702

45.9795404

Aluminium

Al

5.70

2

4.76

26.9815382

53.9630764

Silicon

Si

20.78

7

16.67

28.0855300

196.5987100

Calcium

Ca

4.24

1

2.38

40.0784000

40.0784000

Iron

Fe

23.61

4

9.52

55.8452000

223.3808000

Strunz 9th edition incl. updates

9.DE.20

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
20:

Classification by Hölzel

9.DI.420

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
I: Amphiboles; Sodiccalcic Amphiboles
4: Katophorite-Group

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium-calcium amphiboles  ⇒ Katophorite (Ktp) amphiboles

Optical Properties

Color

schwarz, grünlichschwarz, bläulichschwarz

Diaphaneity (Transparency)

transparent bis durchscheinend

Lustre

Glasglanz

max. Birefringence

0.021

Birefringence chart\! Ferro-katophorite title=Birefringence chart Ferro-katophorite

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

1.639-1.690

RI value β

1.658-1.695

RI value γ / ε

1.660-1.700

Ri mean

1.674

2V angle

Biaxial (-) 0 - 50° (gemessen) 36° (berechnet)

Orientation

Z = b

Dispersion

Stark, r > v

Absorption

Z > Y > X

Pleochroism

gelb, grün, braun

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.737

Cell parameters b (Å)

17.875

Cell parameters c (Å)

5.314

Cell parameters a/b or c/a

0.545

Cell parameters c/b

0.297

Cell parameters α

90°

Cell parameters β

104.64

Cell parameters γ

90°

Z

2

Volumne (ų)

894.867

Physical Properties

Density (g/cm³)

3.3 (gemessen) 3.31 (berechnet)

3.511 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Norwegen/Vestfold, Provinz/Larvik/Hedrum/Lagendalen

References

LEAKE, B,E. - Nomenclature of amphiboles. Am. Mineral. 63 (1978), 1023-1052

LEAKE, B,E. WOOLLEY, A.R., ARPS, C.E.S., BIRCH, W.D., GILBERT,M.C., GRICE, J.D., HAWTHORNE, F.C., KATO, A.,KISCH, H.J., KRIVOVICHEV, V.G., LINTHOUT, K., LAIRD, J.,MANDARINO, J.A., MARESCH, W.V., NICKEL, E.H., ROCK,N.M.S., SCHUMACHER, J.C., SMITH, D.C., STEPHENSON,N.C.N., UNGARETTI, L., WHITTAKER, E.J.W. & GUO,YOUZHI - Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. Canadian Mineralogist 35 (1997), 219-246

Hawthorne, Frank C., and Roberta Oberti - On the classification of amphiboles: Canadian Mineralogist 44 (2006)(1), 1-21

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch - Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97 (2012), 2031–2048

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

'Alumino-barroisite'

☐CaNaMg3Al2(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

'Alumino-ferro-barroisite'

☐CaNa(Fe2+)3Al2(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

'Alumino-ferrowinchite'

CaNaFe4AlSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Barroisite

☐(NaCa)(Mg3Al2)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferri-barroisite

CaNa(Fe2+,Mg)3Fe3+2[AlSi7O22](OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferri-ferro-barroisite

NaCa(Fe2+)3(Fe3+)2(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferri-ghoseite

☐(NaMn2+)(Mg4Fe3+)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferri-taramite

Na(NaCa)(Mg3Fe3+2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferri-winchite

(☐,Na)(Na,Ca)2(Mg,Fe2+)4Fe3+[Si8O22](OH)2

9.DE.20

Ferro-barroisite

☐NaCa(Fe2+3Al2)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferro-ferri-katophorite

Na(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferro-ferri-taramite

Na(NaCa)(Fe2+3Fe3+2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

'Ferro-ferriwinchite'

CaNaFe3Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferro-katophorite

Na(NaCa)(Fe2+4Al)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferro-richterite

Na2Ca(Fe2+,Mg)5Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferro-taramite

Na(CaNa)(Fe2+3Al2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Ferro-winchite

NaCa(Fe2+,Mg)4AlSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Fluoro-richterite

Na(NaCa)Mg5Si8O22F2

monoklin : 2/m : C2/m

9.DE.20

Fluoro-taramite

Na(CaNa)(Mg3Al2)(Si6Al2)O22F2

monoklin : 2/m : C2/m

9.DE.20

'Magnesiotaramite'

Na2Ca(Mg3AlFe3+)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Potassic-ferro-ferri-taramite

K(CaNa)(Fe2+3Fe3+2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Potassic-ferro-taramite

K(CaNa)(Fe2+3Al2)(Si6Al2)O22(OH)2

monoklin : 2/m : C/2m

9.DE.20

Potassic-fluoro-richterite

(K,Na)NaCaMg5Si8O22F2

monoklin : 2/m : C2/m

9.DE.20

Potassic-richterite

K(NaCa)Mg5Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Richterite

Na2Ca(Mg,Fe2+)5Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Taramite

Na(NaCa)(Mg3Al2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Winchite

☐NaCa(Mg,Fe2+)4AlSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.20

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Katophorite

Na(NaCa)(Mg4Al)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DI.420

Ferro-katophorite

Na(NaCa)(Fe2+4Al)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DI.420

Other languages

German

Ferro-Katophorit

English

Ferro-katophorite

Russian

Феррокатофорит

Alternative Name

Alumino-katophorite

Kataphorite

Simplified Chinese

红钠闪石

Simplified Chinese

红闪石

Simplified Chinese

褐钠闪石

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Ferro-Katophorit
Google-Bilder-Suche - search for: Ferro-Katophorit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Ferro-Katophorit

English pages

Mindat - search for: Ferro-katophorite
Webmineral - search for:Ferro-katophorite
Handbook-of-Mineralogy - search for: Ferro-katophorite
RRUFF - Raman, XRD and other mineral data - search for: Ferro-katophorite
RRUFF - References and PDF downloads - search for: Ferro-katophorite
American-Mineralogist-Crystal-Structure-Database - search for: Ferro-katophorite
Athena - search for: Ferro-katophorite

Russian pages

Webmineral.ru - search for: Феррокатофорит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Ferro-Katophorit
Crystal-Treasure.com - search for: Ferro-Katophorit
Bosse - search for: Ferro-Katophorit



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