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Adachiite

Pictures (4 Images total)

Adachiit
Views (File:
1386082181
): 5351
Adachiit
Einzelkristall heruaspräperiert aus Chlorit verwittertem Glimmer; Kiura Mine, Oita, Präfektur, Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE; Contribution: Stefan
Location: Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Kiura-Kozan/Kiura Mine
Mineral: Adachiite
Image: 1386082181
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Adachiit

Einzelkristall heruaspräperiert aus Chlorit verwittertem Glimmer; Kiura Mine, Oita, Präfektur, Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2013-12-03
Locality: Kiura Mine / Kiura-Kozan / Oita, Präfektur / Kyūshū (Kyushu), Insel / Japan
Adachiit
Views (File:
1386082160
): 8175
Adachiit
Kiura Mine, Oita, Präfektur, Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE; Contribution: Stefan
Location: Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Kiura-Kozan/Kiura Mine
Mineral: Adachiite
Image: 1386082160
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Adachiit

Kiura Mine, Oita, Präfektur, Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2013-12-03
Locality: Kiura Mine / Kiura-Kozan / Oita, Präfektur / Kyūshū (Kyushu), Insel / Japan
Adachiit
Views (File:
1386082167
): 1673
Adachiit
Kiura Mine, Oita, Präfektur, Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE; Contribution: Stefan
Location: Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Kiura-Kozan/Kiura Mine
Mineral: Adachiite
Image: 1386082167
License: Usage for Mineralienatlas project only
Adachiit

Kiura Mine, Oita, Präfektur, Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2013-12-03
Locality: Kiura Mine / Kiura-Kozan / Oita, Präfektur / Kyūshū (Kyushu), Insel / Japan
Adachiit
Views (File:
1704564554
): 82
Adachiit
Approx 8cm rock with one face partially covered by Adachiit, from the type locality. Photo taken through the glass of a display case at the Fossa Magna Museum.
Copyright: Alfredo Petrov; Contribution: alfredo
Collection: Fossa Magna Museum, Itoigawa City
Location: Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Kiura-Kozan/Kiura Mine
Mineral: Adachiite
Image: 1704564554
License: Usage for Mineralienatlas project only
Adachiit

Approx 8cm rock with one face partially covered by Adachiit, from the type locality. Photo taken through the glass of a display case at the Fossa Magna Museum.
Collection: Fossa Magna Museum, Itoigawa City
Copyright: Alfredo Petrov
Contribution: alfredo 2024-01-06
Locality: Kiura Mine / Kiura-Kozan / Oita, Präfektur / Kyūshū (Kyushu), Insel / Japan

Collectors Summary

Color schwarz (massiv), bräunlich zu bläulich violett (dünner)
Hardness (Mohs) 7
Crystal System trigonal, R3m

Chemism

Chemical formula

CaFe2+3Al6(Si5AlO18)(BO3)3(OH)3(OH)

Chemical composition

Aluminium, Calcium, Eisen, Silicium, Bor, Sauerstoff, Wasserstoff

Unit weight: 1069.3616354 u; Number of atoms in the formula: 54

Info

Empirical formula:

CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.38

4

7.41

1.0079470

4.0317880
Boron

B

3.03

3

5.56

10.8117000

32.4351000
Oxygen

O

46.38

31

57.41

15.9994300

495.9823300
Aluminium

Al

17.66

7

12.96

26.9815382

188.8707674
Silicon

Si

13.13

5

9.26

28.0855300

140.4276500
Calcium

Ca

3.75

1

1.85

40.0784000

40.0784000
Iron

Fe

15.67

3

5.56

55.8452000

167.5356000

Strunz 9th edition incl. updates

9.CK.15

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
K: ~[Si6O18]12- sechser-Einfachringe, mit inselartig, komplexe [Anionen]
15:Scawtit-Gruppe

Lapis Classification

VIII/E.19-110

VIII: SILIKATE
E: Ringsilikate
19: Sechserringe [Si6O18] 12-; Turmalin-Gruppe

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Tourmaline supergroup  ⇒ Calcic-Tourmaline group  ⇒ Tourmaline Calcic-subgroup 1

Optical Properties

Color

schwarz (massiv), bräunlich zu bläulich violett (dünner)

Diaphaneity (Transparency)

transparent

RI value α / ω / n

ɷ = 1.674(2)

RI value γ / ε

ɛ = 1.644(2)

2V angle

Uniaxial (-);

Pleochroism

stark; ɷ = dunkelgrün zu dunkelblau, ɛ = bräunlich gelb.

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

15.9290

Cell parameters b (Å)

-

Cell parameters c (Å)

7.1830

Cell parameters a/b or c/a

0.451

Cell parameters c/b

-

Z

3

Volume (ų)

1578.387

Crystal structure

Struktur bestimmt, Tourmalin-Supergruppe

X-Ray Powder Diffraction

4.960(34), 4.225(40), 4.002(65), 3.455(34), 2.950(31), 2.903(33), 2.584(100), 2.043(52)
XRD chart Adachiite

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)

7

Density (g/cm³)

3.228 (berechnet)

3.375 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Kiura-Kozan/Kiura Mine

Type material

National Museum of Nature and Science, Tsukuba, Japan

Collection number of type material

NSM M-43748

Preface

Name from

Hr. Adachi Tomio (1923 -) Hobbieforscher aus Nobeoka , Miyazaki Präfektur.

Author (Name, Year)

Daisuke Nishio-Hamane, Tetsuo Minakawa, Jun-ichi Yamaura, Takashi Oyama, Masayuki Ohnishi und Norimasa Shimobayashi (2012)

References

Nishio-Hamane, D., Minakawa, T., Yamaura, J., Oyama, T., Ohnishi, M. and Shimobayashi, N. (2013) Adachiite, IMA 2012-101. CNMNC Newsletter No. 16, August 2013, page 2700; Mineralogical Magazine, 77, 2695-2709.

http://www.issp.u-tokyo.ac.jp/labs/mdcl/lab/denken/wordpress/?page_id=314

IMA group assignments

Other languages

German

Adachiit

English

Adachiite

Russian

Адачиит

Japanese

足立電気石

CNMNC (IMA)-Number

IMA 2012-101

CNMNC symbol

Symbol

Adc

IDs

GUSID (Global unique identifier short form) 6kMs_3RqNk-r48taNhn9qg
GUID (Global unique identifier) FF2C43EA-6A74-4F36-ABE3-CB5A3619FDAA
Database ID 7611