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Mangano-ferri-eckermannite

Pictures (3 Images total)

Mangano-Ferri-Eckermannit
Views (File:
1563015124
): 451
Mangano-Ferri-Eckermannit
Tanohata Mine, Shimohei-gun, Iwate, Tohohu, Honshu, Japan. Bildbreite 0,9 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Japan/Honshu/Tohoku, Region/Iwate, Präfektur/Shimohei-gun/Tanohata Mine
Mineral: Mangano-ferri-eckermannite
Image: 1563015124
License: Usage for Mineralienatlas project only
Mangano-Ferri-Eckermannit

Tanohata Mine, Shimohei-gun, Iwate, Tohohu, Honshu, Japan. Bildbreite 0,9 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2019-07-13
Locality: Tanohata Mine / Shimohei-gun / Iwate, Präfektur / Tohoku, Region / Honshu / Japan
Mangano-Ferri-Eckermannit (Kôzulith) auf Rhodonit
Views (File:
1612292718
): 209
Mangano-Ferri-Eckermannit (Kôzulith) auf Rhodonit
FO.: Tanohata Mine, Shimohei-gun, Präfektur Iwate, Region Tohoku, Insel Honshu, Japan / Stufengröße: 4,1 x 2,7 cm
Copyright: Hrouda; Contribution: Hrouda
Collection: Hrouda
Location: Japan/Honshu/Tohoku, Region/Iwate, Präfektur/Shimohei-gun/Tanohata Mine
Mineral: Mangano-ferri-eckermannite
Image: 1612292718
License: Usage for Mineralienatlas project only
Mangano-Ferri-Eckermannit (Kôzulith) auf Rhodonit

FO.: Tanohata Mine, Shimohei-gun, Präfektur Iwate, Region Tohoku, Insel Honshu, Japan / Stufengröße: 4,1 x 2,7 cm
Collection: Hrouda
Copyright: Hrouda
Contribution: Hrouda 2021-02-02
Locality: Tanohata Mine / Shimohei-gun / Iwate, Präfektur / Tohoku, Region / Honshu / Japan
Mangano-Ferri-Eckermannit (Kozulit) (br) und Rhodonit (rosa)
Views (File:
1642327078
): 116
Mangano-Ferri-Eckermannit (Kozulit) (br) und Rhodonit (rosa)
⚒ Tanohata, Shimohei-gun, Iwate, Präfektur, Tohoku, Honshu, JP. BB=6cm.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Japan/Honshu/Tohoku, Region/Iwate, Präfektur/Shimohei-gun/Tanohata Mine
Mineral: Mangano-ferri-eckermannite, Rhodonite
Image: 1642327078
License: Usage for Mineralienatlas project only
Mangano-Ferri-Eckermannit (Kozulit) (br) und Rhodonit (rosa)

⚒ Tanohata, Shimohei-gun, Iwate, Präfektur, Tohoku, Honshu, JP. BB=6cm.
Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2022-01-16
Locality: Tanohata Mine / Shimohei-gun / Iwate, Präfektur / Tohoku, Region / Honshu / Japan

Collectors Summary

Color rötlichschwarz
Lustre Glasglanz
Hardness (Mohs) 5
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

Na3Mn42+(Fe3+,Al)Si8O22(OH,F)2

Chem­ical com­po­si­tion

Aluminium, Eisen, Mangan, Natrium, Silicium, Fluor, Sauerstoff, Wasserstoff

Unit weight: 949.032761875 u; Number of atoms in the formula: 41.5

Info

Empirical formula:

Na3Mn4(Fe0.75Al0.25)Si8O22((OH)0.75F0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.16

1.5

3.61

1.0079470

1.5119205
Oxygen

O

39.62

23.5

56.63

15.9994300

375.9866050
Fluorine

F

1.00

0.5

1.20

18.9984033

9.4992016
Sodium

Na

7.27

3

7.23

22.9897702

68.9693106
Aluminium

Al

0.71

0.25

0.60

26.9815382

6.7453846
Silicon

Si

23.68

8

19.28

28.0855300

224.6842400
Manganese

Mn

23.16

4

9.64

54.9380499

219.7521996
Iron

Fe

4.41

0.75

1.81

55.8452000

41.8839000

Anal­y­sis wt%

SiO2 : 51.38, Al2O3 : 1.69, Fe2O3 : 2.85, MgO : 2.71, MnO : 27.96, CaO : 1.12, Na2O : 8.41, K2O : 1.36, H2O : 2.16 (Ref: J.Jap.Ass.Min.,Petr.Econ.Geol.69)

Strunz 9th edi­tion incl. updates

9.DE.25

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

Lapis Clas­sifica­tion

VIII/F.08-080

VIII: SILIKATE
F: Ketten- und Bandsilikate
8: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Alkali-Amphibole

Clas­sifica­tion by Hölzel

9.DJ.500

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
J: Amphiboles; Sodic Amphiboles
5: Kozulite-Group

Hey's Chem­ical Index of Min­er­als

16.16.10

16: Silicates Containing Aluminum and other Metals
16: Aluminosilicates of Mn

Dana 8th edi­tion

66.01.03c.10

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03c: Group 4, the sodic amphiboles

IMA sta­tus

anerkannt, Redefinition 1997 vom Amphibol-Subkommittee

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium Amphiboles  ⇒ Eckermannite (Eck) amphiboles

Optical Properties

Color

rötlichschwarz

Lus­tre

Glasglanz

max. Birefrin­gence

0.035
Birefringence chart\! Mangano-ferri-eckermannite title=Birefringence chart Mangano-ferri-eckermannite

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

1.685

RI value β

1.717!

RI value γ / ε

1.720

Ri mean

1.707

2V angle

Biaxial (-) 35°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.91

Cell param­e­ters b (Å)

18.11

Cell param­e­ters c (Å)

5.30

Cell param­e­ters a/b or c/a

0.547

Cell param­e­ters c/b

0.293

Cell param­e­ters α

90°

Cell param­e­ters β

104.60

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

920.477

X-Ray Pow­der Diffrac­tion

8.51(100),
4.53(10),
3.40(10),
3.30(20),
3.15(60),
2.827(30),
2.722(10),
2.174(10)
XRD chart Mangano-ferri-eckermannite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.3 (gemessen) 3.36 (berechnet)

3.424 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Japan/Honshu/Tohoku, Region/Iwate, Präfektur/Shimohei-gun/Tanohata Mine

Preface

Author (Name, Year)

Nambu & Tanida & Kitamura, 1969

References

Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 62 (1969), 311.

American Mineralogist 55 (1970), 1815-1816.

American Mineralogist 63 (1978), 1023-1052.

Canadian Mineralogist 35 (1997), 219.

American Mineralogist 82 (1997), 1026.

Canadian Mineralogist 41 (2003), 1355.

Rock-forming Minerals (Deer, Howie & Zussmann), 2B, 2nd ed. (1997), Table 32, anal. 7

Canadian Mineralogist (2006) 44(1), 1-21.

Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. - Nomenclature of the amphibole supergroup. American Mineralogist 97 (2012) 2031-2048.

IMA group assignments

Other languages

German

Mangano-Ferri-Eckermannit

English

Mangano-ferri-eckermannite

old name

Spanish

Kôzulita

French

Kôzulite

English

Kôzulite

German

Kôzulith

Alternative Name

German

Kozulit

Japanese

神津閃石

CNMNC (IMA)-Number

IMA 1968-028

CNMNC symbol

Symbol

Mfeck

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

German pages

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English pages

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RRUFF - Raman, XRD and other mineral data - search for: Mangano-ferri-eckermannite
RRUFF - References and PDF downloads - search for: Mangano-ferri-eckermannite
American-Mineralogist-Crystal-Structure-Database - search for: Mangano-ferri-eckermannite
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