Miyahisaite
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Formula:
(Sr,Ca)2Ba3(PO4)3F
Colour:
Colorless
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
4.511 (Calculated)
Crystal System:
Hexagonal
Member of:
Name:
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:
Isostructural with:
Classification of Miyahisaite
Approved
Approval year:
2011
First published:
2012
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
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
N : With only large cations, (OH, etc.):RO4 = 0.33:1
41.8.11.
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : A5(XO4)3Zq
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : A5(XO4)3Zq
Physical Properties of Miyahisaite
Vitreous
Transparency:
Transparent
Colour:
Colorless
Streak:
white
Hardness:
5 on Mohs scale
Density:
4.511 g/cm3 (Calculated)
Chemical Properties of Miyahisaite
Formula:
(Sr,Ca)2Ba3(PO4)3F
IMA Formula:
(Sr,Ca)2Ba3(PO4)3F
Crystallography of Miyahisaite
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 ų
Z:
2
Morphology:
As pseudomorphic aggregates
X-Ray Powder Diffraction
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 Miyahisaite
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:
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.
Synonyms of Miyahisaite
Other Language Names for Miyahisaite
Japanese:宮久石
Relationship of Miyahisaite to other Species
Member of:
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
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 | (Na0.5REE0.25Ca0.25)(Ca0.75REE0.25)Sr1.5(CaNa0.25REE0.25)(PO4)3F0.5(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)3F0.5Cl0.5 | 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.)
41.8.11. | Carlgieseckeite-(Nd) | NaNdCa3(PO4)3F | Trig. 3 : P3 |
Other Information
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 Miyahisaite
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 Miyahisaite
mindat.org URL:
https://www.mindat.org/min-42835.html
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Localities for Miyahisaite
Locality List




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