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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Unique IdentifiersHide

Mindat ID:

42835

Long-form identifier:

mindat:1:1:42835:4

GUID
(UUID V4):

9897a5bc-6ad2-4ee4-abf0-1ac698c94444

IMA Classification of MiyahisaiteHide

IMA status:

Approved

IMA Formula:

(Sr,Ca)₂Ba₃(PO₄)₃F

Approval year:

2011

First published:

2012

Type description reference:

Nishio-Hamane, Daisuke, Ogoshi, Yukikazu, Minakawa, Tetsuo (2012) Miyahisaite, (Sr,Ca)₂Ba₃(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. doi:10.2465/jmps.110901

Classification of MiyahisaiteHide

Strunz-mindat (2024):

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Miy	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of MiyahisaiteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Colorless

Streak:

white

Hardness:

5 on Mohs scale

Density:

4.511 g/cm³ (Calculated)

Chemistry of MiyahisaiteHide

Mindat 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)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
36 : Carbonatites, kimberlites, and related igneous rocks

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. 2/m : P2₁/m
Cesanite	Na₃Ca₂(SO₄)₃(OH)	Hex. 6 : P6
Fluorphosphohedyphane	Ca₂Pb₃(PO₄)₃F	Hex. 6/m : P6₃/m
Fluorsigaiite	Ca₂Sr₃(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.
Parafiniukite	Ca₂Mn₃(PO₄)₃Cl	Hex. 6/m : P6₃/m
Phosphohedyphane	Ca₂Pb₃(PO₄)₃Cl	Hex. 6/m : P6₃/m
UM2002-53-PO:CaHPb	Ca₂Pb₃(PO₄)₃(OH,Cl,F)

Related Minerals - Strunz-mindat Grouping Hide

8.BN.	Aradite	BaCa₆[(SiO₄)(VO₄)](VO₄)₂F	Trig. 3m : R3m
8.BN.	Magganasite	CuFe³⁺₃O(AsO₄)₃	Tric. 1 : P1
8.BN.	Fluorpyromorphite	Pb₅(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.	Fluorsigaiite	Ca₂Sr₃(PO₄)₃F	Hex. 6/m : P6₃/m
8.BN.	Fluoralforsite	Ba₅(PO₄)₃F	Hex. 6/m : P6/m
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	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)₃(OH)	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	Oxypyromorphite	Pb₁₀(PO₄)₆O
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. 6/m : P6₃/m
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 va	Germanate-pyromorphite	Pb₅(PO₄)₂GeO₄
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	Hydroxylpyromorphite	Pb₅(PO₄)₃(OH)	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
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.05	Vanackerite	Pb₄Cd(AsO₄)₃Cl	Trig. 3 : P3
8.BN.05	Unnamed (OH-analogue of Mimetite)	Pb₅(AsO₄)₃(OH)	Hex. 6/m : P6₃/m
8.BN.05	Pieczkaite	Mn₅(PO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.05	Hydroxylhedyphane	Ca₂Pb₃(AsO₄)₃(OH)	Trig. 3 : P3
8.BN.05	Pliniusite	Ca₅(VO₄)₃F	Hex. 6/m : P6₃/m
8.BN.05	Parafiniukite	Ca₂Mn₃(PO₄)₃Cl	Hex. 6/m : P6₃/m
8.BN.10	Arctite	Na₂Ca₄(PO₄)₃F	Trig. 3m (3 2/m) : R3m
8.BN.15	Goryainovite	Ca₂(PO₄)Cl	Orth. mmm (2/m 2/m 2/m) : Pbcm

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.

Internet Links for MiyahisaiteHide

mindat.org URL:

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

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for MiyahisaiteHide

Reference List:

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011, CNMNC Newsletter No. 10. Mineralogical Magazine, 75 (5) 2549-2561 doi:10.1180/minmag.2011.075.5.2549

Camara, F., Gatta, G. D., Uvarova, Y., Gagne, O. C., Belakovskiy, D. I. (2014) New Mineral Names,. American Mineralogist, 99 (7) 1511-1518 doi:10.2138/am.2014.646

(2023) Miyahisaite. Handbook of Mineralogy. Mineralogical Society of America

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 references and 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 (e.g. from pseudomorphs).

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


Germany
Rhineland-Palatinate Mayen-Koblenz Vordereifel Ettringen Caspar quarry ⓘ Xenolith CS-050	in the collection of Christof Schäfer

Japan (TL)
Oita Prefecture Saiki City ⓘ Shimoharai mine (TL)	Williams et al. (2011) +1 other reference

Miyahisaite