Named in honor of Michitoshi Miyahisa (宮久三千年) (1928 Oita pref., Japan - 6 February 1983), mineralogist and professor at Ehime University, Japan, for his work on deposits on Kyushu.

Type Locality:

ⓘ Shimoharai mine, Saiki City, Oita Prefecture, Japan

Isostructural with:

Hedyphane

A mineral of the hedyphane group in the apatite supergroup.

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Classification of MiyahisaiteHide

IMA status:

Approved

Approval year:

2011

First published:

2012

Nickel-Strunz 10th (pending) ed.:

8.BN.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H₂O
N : With only large cations, (OH, etc.):RO₄ = 0.33:1

Dana 8th ed.:

41.8.11.

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : A₅(XO₄)₃Z_q

Physical Properties of MiyahisaiteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Colorless

Streak:

white

Hardness:

5 on Mohs scale

Density:

4.511 g/cm³ (Calculated)

Chemical Properties of MiyahisaiteHide

Formula:

(Sr,Ca)₂Ba₃(PO₄)₃F

IMA Formula:

(Sr,Ca)₂Ba₃(PO₄)₃F

Elements listed:

Ba, Ca, F, O, P, Sr - search for minerals with similar chemistry

Crystallography of MiyahisaiteHide

Crystal System:

Hexagonal

Class (H-M):

6/m - Dipyramidal

Space Group:

P6₃/m

Setting:

P6₃/m

Cell Parameters:

a = 9.921(2) Å, c = 7.469(3) Å

Ratio:

a:c = 1 : 0.753

Unit Cell V:

636.7 Å³

Morphology:

As pseudomorphic aggregates

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.427 Å	(16)
3.248 Å	(22)
2.981 Å	(100)
2.865 Å	(21)
1.976 Å	(23)
1.874 Å	(16)
1.870 Å	(15)
1.864 Å	(17)

Type Occurrence of MiyahisaiteHide

Type Locality:

ⓘ Shimoharai mine, Saiki City, Oita Prefecture, Japan

General Appearance of Type Material:

As a pseudomorphic aggregate (up to about 100 μm in size)along with fluorapatite in the quartz matrix in a namansilite-rich layer of the chert.

Place of Conservation of Type Material:

National Museum of Nature and Science,Tokyo, Japan, specimen number NSM M-41299

Geological Setting of Type Material:

Low grade metamorphism of manganese deposits formed in chert.

Associated Minerals at Type Locality:

Quartz

Fluorapatite

Reference:

Nishio-Hamane, D., Ogoshi, Y. and Minakawa, T. (2012) Miyahisaite, (Sr,Ca)^6Ba^3(PO^4)^3F, a new mineral of the hedyphane group in the apatite supergroup from the Shimoharai mine, Oita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences: 107: 121-126.

Download:

https://www.jstage.jst.go.jp/article/jmps/107/3/107_110901/_pdf

Synonyms of MiyahisaiteHide

IMA2011-043

Other Language Names for MiyahisaiteHide

Japanese:宮久石

Relationship of Miyahisaite to other SpeciesHide

Member of:

Hedyphane Group > Apatite Supergroup

Other Members of this group:

Aiolosite	Na₄Bi(SO₄)₃Cl	Hex. 6/m : P6₃/m
Caracolite	Na₃Pb₂(SO₄)₃Cl	Mon.
Cesanite	Na₃Ca₂(SO₄)₃(OH)	Hex. 6 : P6
Fluorphosphohedyphane	Ca₂Pb₃(PO₄)₃F	Hex. 6/m : P6₃/m
Hedyphane	Ca₂Pb₃(AsO₄)₃Cl	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
Hydroxylhedyphane	Ca₂Pb₃(AsO₄)₃(OH)	Trig. 3 : P3
Morelandite	Ca₂Ba₃(AsO₄)₃Cl	Hex.
Phosphohedyphane	Ca₂Pb₃(PO₄)₃Cl	Hex. 6/m : P6₃/m
UM2002-53-PO:CaHPb	Ca₂Pb₃(PO₄)₃(OH,Cl,F)

Related Minerals - Nickel-Strunz Grouping Hide

8.BN.	Aradite	BaCa₆[(SiO₄)(VO₄)](VO₄)₂F	Trig. 3m : R3m
8.BN.05	Alforsite	Ba₅(PO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Belovite-(Ce)	NaCeSr₃(PO₄)₃F	Trig. 3 : P3
8.BN.05	Carbonate-rich Fluorapatite	Ca₅(PO₄,CO₃)₃(F,O)	Hex.
8.BN.05	Carbonate-rich Hydroxylapatite	Ca₅(PO₄,CO₃)₃(OH,O)	Hex.
8.BN.05	Chlorapatite	Ca₅(PO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Mimetite-M	Pb₅(AsO₄)₃Cl	Mon. 2/m : P2₁/b
8.BN.05	Johnbaumite-M	Ca₅(AsO₄)₃OH	Mon. 2/m : P2₁/m
8.BN.05	Fluorapatite	Ca₅(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.05	Hedyphane	Ca₂Pb₃(AsO₄)₃Cl	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
8.BN.05	Hydroxylapatite	Ca₅(PO₄)₃(OH)	Hex. 6/m : P6₃/m
8.BN.05	Johnbaumite	Ca₅(AsO₄)₃OH	Hex. 6/m : P6₃/m
8.BN.05	Mimetite	Pb₅(AsO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Morelandite	Ca₂Ba₃(AsO₄)₃Cl	Hex.
8.BN.05	Pyromorphite	Pb₅(PO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Fluorstrophite	SrCaSr₃(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.05	Svabite	Ca₅(AsO₄)₃F	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
8.BN.05	Turneaureite	Ca₅(AsO₄)₃Cl	Hex.
8.BN.05	Vanadinite	Pb₅(VO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Belovite-(La)	NaLaSr₃(PO₄)₃F	Trig. 3 : P3
8.BN.05	Deloneite	(Na_0.5REE_0.25Ca_0.25)(Ca_0.75REE_0.25)Sr_1.5(CaNa_0.25REE_0.25)(PO₄)₃F_0.5(OH)_0.5	Trig. 3 : P3
8.BN.05	Fluorcaphite	SrCaCa₃(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.05	Kuannersuite-(Ce)	NaCeBa₃(PO₄)₃F_0.5Cl_0.5	Trig. 3 : P3
8.BN.05	Hydroxylapatite-M	Ca₅(PO₄)₃OH	Mon. 2/m : P2₁/b
8.BN.05	Phosphohedyphane	Ca₂Pb₃(PO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Stronadelphite	Sr₅(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.05	Fluorphosphohedyphane	Ca₂Pb₃(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.05	Carlgieseckeite-(Nd)	NaNdCa₃(PO₄)₃F	Trig. 3 : P3
8.BN.10	Arctite	Na₂Ca₄(PO₄)₃F	Trig. 3m (3 2/m) : R3m

Related Minerals - Dana Grouping (8th Ed.)Hide

41.8.11.

Carlgieseckeite-(Nd)

NaNdCa₃(PO₄)₃F

Trig. 3 : P3

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MiyahisaiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Williams, P.A., Hatert, F., Pasero, M., Mills, S.J. (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 10. New minerals and nomenclature modifications approved in 2011. Mineralogical Magazine: 75: 2549-2561.

Nishio-Hamane, D., Ogoshi, Y. and Minakawa, T. (2012) Miyahisaite, (Sr,Ca)₆Ba₃(PO₄)₃F, a new mineral of the hedyphane group in the apatite supergroup from the Shimoharai mine, Oita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences: 107: 121-126.

Nishio-Hamane, D., Ogoshi, Y. and Minakawa, T. (2012) Miyahisaite, (Sr,Ca)6Ba3(PO4)3F, a new mineral of the hedyphane group in the apatite supergroup from the Shimoharai mine, Oita Prefecture, Japan: Erratum. Journal of Mineralogical and Petrological Sciences, 107(4), 181. [Correction of several typos]

Cámara, F., Gatta, G.D., Uvarova, Y., Gagne, O.C., Belakovskiy, D.I. (2014) New mineral names. American Mineralogist: 99: 1511-1518.

Internet Links for MiyahisaiteHide

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https://www.mindat.org/min-42835.html
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Raman and XRD data at RRUFF project

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American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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Localities for MiyahisaiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.

Japan (TL)

Oita Prefecture

Saiki City

ⓘ Shimoharai mine (TL)

Nishio-Hamane D., Ohgoshi Y., Minakawa T. (2012) Miyahisaite, (Sr,Ca)2Ba3(PO4)3F, a new mineral of hedyphane group in apatite supergroup from Shimoharai mine, Oita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107,121-126

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Miyahisaite