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Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11

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Reference TypeJournal (article/letter/editorial)
TitleMorimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan
JournalMineralogical MagazineISSN0026-461X
AuthorsHenmi, ChiyokoAuthor
Kusachi, IsaoAuthor
Henmi, KitinosukeAuthor
Year1995 (March)Volume59
Issue394
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_59/59-394-115.pdf
DOIdoi:10.1180/minmag.1995.59.394.11Search in ResearchGate
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Mindat Ref. ID2617Long-form Identifiermindat:1:5:2617:2
GUID0
Full ReferenceHenmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11
Plain TextHenmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11
In(1995, March) Mineralogical Magazine Vol. 59 (394) Mineralogical Society
Abstract/NotesAbstractMorimotoite, Ca3TiFe2+Si3O12, has been found in contaminated rocks which are considered to be a kind of endoskarn at Fuka, Bitchu-Cho, Okayama Prefecture, Japan. Morimotoite is derived from andradite, , by the substitution Ti + Fe2+ = 2Fe3+. It is associated with calcite, vesuvianite, grossular, wollastonite, hematite, prehnite, fluorapatite, perovskite, zircon, baddeleyite and calzirtite. It is cubic with space group Ia3d. The unit cell dimension a is 12.162(3) Å. Its refractive index n is 1.995(2) and the density 3.75(2) g cm−3 (meas.), 3.80 g cm−3 (calc.). The Mohs' hardness is 7.5. Calculation of the analytical data on the basis of twelve oxygen atoms and eight cations shows that this mineral has a simplified chemical formula Ca3(Ti,Fe2+Fe3+)2(Si,Fe3+)3O12 where Ti > Fe2+ > 0.5. Morimotoite was synthesized at low oxygen fugacities, 650 and 700°C and 1 kbar total pressure.

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Fuka mine, Fuka, Bitchū, Takahashi City, Okayama Prefecture, Japan

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Morimotoite

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LocalityMineral(s)
Fuka mine, Fuka, Bitchū, Takahashi City, Okayama Prefecture, Japanⓘ Morimotoite

See Also

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Fehr, K. T., Amthauer, G. (1996) Comment on ‘Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan’ by Henmi et al. (1995) Mineralogical Magazine, 60 (402) 842-845 doi:10.1180/minmag.1996.060.402.18
Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1996) Zirconium minerals and zirconian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Journal, 18 (2) 54-59 doi:10.2465/minerj.18.54
Kusachi, Isao, Henmi, Chiyoko (1994) Nifontovite and olshanskyite from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 58 (391) 279-284 doi:10.1180/minmag.1994.058.391.10
Kusachi, Isao, Henmi, Chiyoko, Henmi, Kitinosuke (1989) Afwillite and jennite from Fuka, Okayama Prefecture, Japan. Mineralogical Journal, 14 (7) 279-292 doi:10.2465/minerj.14.279
Henmi, Chiyoko (1995) Kusachiite, CuBi2O4, a new mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (396) 545-548 doi:10.1180/minmag.1995.059.396.14
Henmi, Chiyoko, Kusachi, Isao, Kawahara, Akira, Henmi, Kitinosuke (1978) 7T wollastonite from Fuka, Okayama Prefecture. Mineralogical Journal, 9 (3) 169-181 doi:10.2465/minerj.9.169
Kusachi, Isao, Henmi, Chiyoko, Henmi, Kitinosuke (1973) Perovskite from Fuka, the Town of Bitchu, Okayama Prefecture. Journal of the Mineralogical Society of Japan, 11 (4) 219-226 doi:10.2465/gkk1952.11.219
Kusachi, Isao, Henmi, Chiyoko, Henmi, Kitinosuke (1975) Schorlomite from Fuka, the Town of Bitchu, Okayama Prefecture. Journal of the Mineralogical Society of Japan, 12 (3) 184-191 doi:10.2465/gkk1952.12.184
Kusachi, Isao, Henmi, Chiyoko, Henmi, Kitinosuke (1980) 10Å Tobermorite from Fuka, the Town of Bitchu, Okayama Prefecture. Journal of the Mineralogical Society of Japan, 14 (5) 314-322 doi:10.2465/gkk1952.14.314
Kusachi, I., Henmi, C., Kobayashi, S. (1995) Takedaite, a new mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (396) 549-552 doi:10.1180/minmag.1995.059.396.15
Kusachi, Isao, Henmi, Chiyoko, Saburi, Shinsuke, Henmi, Kitinosuke (1977) Cuspidine from Fuka, the Town of Bitchu, Okayama Prefecture. Journal of the Mineralogical Society of Japan, 13 (3) 165-170 doi:10.2465/gkk1952.13.165
 
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