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

Kamiokite (Kamiokit)

Pictures (1 Images total)

Kamiokit
Views (File:
1508969569
): 473
Kamiokit
Kamiokit von der Kamioka Mine in Japan/Honshu/Chubu, Region/Gifu, Präfektur/Hida; Im Zentrum das schwarze Biotit ähnliche Mineral.
Copyright: Stefan; Contribution: Stefan
Location: Japan/Honshu/Chubu, Region/Gifu, Präfektur/Hida/Kamioka Mine
Mineral: Kamiokite
Image: 1508969569
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Kamiokit

Kamiokit von der Kamioka Mine in Japan/Honshu/Chubu, Region/Gifu, Präfektur/Hida; Im Zentrum das schwarze Biotit ähnliche Mineral.
Copyright: Stefan
Contribution: Stefan 2017-10-26
Locality: Kamioka Mine / Hida / Gifu, Präfektur / Chubu, Region / Honshu / Japan

Collectors Summary

Hardness (Mohs) 5.75
Crystal System hexagonal, P63mc

Chemism

Chemical formula

Fe2Mo3O8

Chemical composition

Eisen, Molybdän, Sauerstoff

Unit weight: 527.51184 u; Number of atoms in the formula: 13

Info

Empirical formula:

Fe2Mo3O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

24.26

8

61.54

15.9994300

127.9954400
Iron

Fe

21.17

2

15.38

55.8452000

111.6904000
Molybdenum

Mo

54.56

3

23.08

95.9420000

287.8260000

Analysis wt%

FeO : 27.04, MnO : 0.41, MoO2 : 71.24 (Ref: MJJ85)

Strunz 9th edition incl. updates

4.CB.40

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
B: Mit mittelgroßen Kationen
40:Nolanit-Gruppe

Lapis Classification

IV/C.07-030

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)

Classification by Hölzel

4.CP.300

4: OXIDES
C: R2O3 Sesquioxides
P: Pseudobrookite-Group

Dana 8th edition

07.06.03.01

07: Multiple Oxides
06: Multiple Oxides where A (B)4 X9

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Kamiokite group

Crystallography

Crystal System

hexagonal

Class (H-M)

6mm

Space Group number

186

Space Group

P63mc

Cell parameters a (Å)

5.782

Cell parameters b (Å)

-

Cell parameters c (Å)

10.053

Cell parameters a/b or c/a

1.739

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volumne (ų)

291.06

X-Ray Powder Diffraction

5.03(100),
3.55(90),
2.785(30),
2.509(70),
2.430(50),
2.006(40),
1.773(20),
1.568(30)
XRD chart Kamiokite

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)

5.75

VHN (Hardness Vickers)

600 (50g)

Density (g/cm³)

5.96 (gemessen)

6.019 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Japan/Honshu/Chubu, Region/Gifu, Präfektur/Hida/Kamioka Mine/Tochibora Lagerstätte

Preface

Author (Name, Year)

Sasaki & Yui & Yamaguchi, 1985

References

Mineralogical Journal (Tokyo) 12 (1985), 393

Ma, C. & Beckett, J.R. - Majindeite, Mg2Mo3O8, a new mineral from the Allende meteorite and a witness to post-crystallization oxidation of a Ca-Al-rich refractory inclusion. American Mineralogist, 101 (2016), (in press).

IMA group assignments

Other languages

German

Kamiokit

Spanish

Kamiokita

French

Kamiokite

English

Kamiokite

Russian

Камиокит

Japanese

神岡鉱

CNMNC (IMA)-Number

IMA 1975-003

CNMNC symbol

Symbol

Kmk

Locations with GPS information