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Miyahisaite

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Miyahisait
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Miyahisait
Rückstreuelektronenbild; weiß (links) Miyahisait neben grau, stabförmigen Fluorapatit; Shitaharai Mine, Saiki (Stadt), Oita (Präfektur), Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE; Contribution: Stefan
Location: Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Saiki, Stadt/Shitaharai Mine
Mineral: Miyahisaite
Image: 1386101138
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Miyahisait

Rückstreuelektronenbild; weiß (links) Miyahisait neben grau, stabförmigen Fluorapatit; Shitaharai Mine, Saiki (Stadt), Oita (Präfektur), Kyushu, Japan
Copyright: Daisuke NISHIO-HAMANE
Contribution: Stefan 2013-12-03
Locality: Shitaharai Mine / Saiki, Stadt / Oita, Präfektur / Kyūshū (Kyushu), Insel / Japan

Collectors Summary

Crystal System hexagonal, P63/m

Chemism

Chemical formula

(Sr,Ca)2Ba3(PO4)3F

Additional chem. information

Apatit-Gruppe

Chemical composition

Barium, Calcium, Strontium, Fluor, Phosphor, Sauerstoff

Unit weight: 867.36664685 u; Number of atoms in the formula: 21

Info

Empirical formula:

(Sr0.75Ca0.25)2Ba3(PO4)3F

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

22.14

12

57.14

15.9994300

191.9931600
Fluorine

F

2.19

1

4.76

18.9984033

18.9984033
Phosphorus

P

10.71

3

14.29

30.9737612

92.9212836
Calcium

Ca

2.31

0.5

2.38

40.0784000

20.0392000
Strontium

Sr

15.15

1.5

7.14

87.6210000

131.4315000
Barium

Ba

47.50

3

14.29

137.3277000

411.9831000

Strunz 9th edition incl. updates

8.BN.05

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
N: Mit ausschließlich [Kationen] (OH, etc.):RO4 = 0.33:1
05:Apatit-Gruppe

Lapis Classification

VII/B.39-096

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
39: Mittelgroße und große Kationen: Mg-Cu-Zn und Ca-Na-K-Ba-Pb; Apatit-Gruppe

Classification by Hölzel

8.BO.450

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
O: Apatite Supergroup
4: Hedyphanes with ~[PO4], ~[AsO4], ~[VO4]

IMA status

anerkannt - CNMNC - New minerals and nomenclature modifications approved in Jul. 2011

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Apatite Supergroup  ⇒ Hedyphane group

Crystallography

Crystal System

hexagonal

Class (H-M)

6/m

Space Group number

176

Space Group

P63/m

Cell parameters a (Å)

9.921

Cell parameters b (Å)

-

Cell parameters c (Å)

7.469

Cell parameters a/b or c/a

0.753

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volume (ų)

636.655

X-Ray Powder Diffraction

3.427(16), 3.248(22), 2.981(100), 2.865(21), 1.976(23), 1.874(16), 1.870(15), 1.864(17)
XRD chart Miyahisaite

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

Physical Properties

Density (g/cm³)

4.511 (berechnet)

4.524 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Saiki, Stadt/Shitaharai Mine

Type material

National Museum of Nature and Science, Tokyo, Japan

Collection number of type material

NSM M-41299

Preface

Author (Name, Year)

Daisuke Nishio-Hamane, Yukikazu Ogoshi und Tetsuo Minakawa

References

Nishio-Hamane, D., Ogoshi, Y. and Minakawa, T. (2011) Miyahisaite, IMA 2011-043. CNMNC Newsletter No. 10, October 2011, page 2558;

IMA group assignments

Other languages

German

Miyahisait

English

Miyahisaite

Japanese

宮久石

CNMNC (IMA)-Number

IMA 2011-043

CNMNC symbol

Symbol

Miy

IDs

GUSID (Global unique identifier short form) c1QC7mu5Mky9eLFU5-psAw
GUID (Global unique identifier) EE025473-B96B-4C32-BD78-B154E7EA6C03
Database ID 7084