| Takada, Masayuki, Kusachi, Isao, Kishi, Shigetomo, Tanabe, Mitsuo, Yasuda, Takashi (2006) A crystalline form of borcarite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 101 (6) 285-288 doi:10.2465/jmps.060222 | Journal (article/letter/editorial) | Fuka101, mine 285 A crystalline form of borcarite from the Fuka mine, Okayama Prefecture, Japan Masayuki...Kyoto 610 − 1132, Japan Department of Earth Sciences, Faculty of Education, Okayama University, Tsushima...− 1, Okayama 700 − 8530, Japan *** 534 Kagamino − cho, Tomata − gun, Okayama 708 − 0345, Japan **** 2058...Niimi, Okayama 718 − 0011, Japan ***** 1471 Nishigata − cho, Ibara, Okayama 715 − 0015, Japan ** Euhedral...in vugs or fissures of crystal aggregates of nifontovite or pentahydroborite, which occur as irregularly | | Ohnishi, M., Kusachi, I., Kobayashi, S., Yamakawa, J., Tanabe, M., Kishi, S., Yasuda, T. (2007) Numanoite, Ca4CuB4O6(OH)6(CO3)2, a new mineral species, the Cu analogue of borcarite from the Fuka mine, Okayama Prefecture, Japan. The Canadian Mineralogist, 45 (2) 307-315 doi:10.2113/gscanmin.45.2.307 | Journal (article/letter/editorial) | Cu ANALOGUE OF BORCARITE FROM THE FUKA MINE, OKAYAMA PREFECTURE, JAPAN Masayuki OHNISHI§ and Isao KUSACHI§...Faculty of Education, Okayama University, 3–1–1 Tsushima-naka, Okayama 700–8530, Japan Shoichi KOBAYASHI...Faculty of Science, Okayama University of Science, 1–1 Ridai-cho, Okayama 700–0005, Japan Junji YAMAKAWA...Science and Technology, Okayama University, 3–1–1 Tsushima-naka, Okayama 700–8530, Japan Mitsuo TANABE 2058–3...Niimi, Okayama 718–0011, Japan Shigetomo KISHI 534 Takayama, Kagamino-cho, Tomata-gun, Okayama 700–0345 | | | Journal (article/letter/editorial) | Nifontovite and olshanskyite from Fuka, Okayama Prefecture, Japan ISAO KUSACHI Department of Earth Sciences...Sciences, Faculty of Education, Okayama University, Okayama 700, Japan AND CHIYOKO HENMI Department of...Faculty of Science, Okayama University, Okayama 700, Japan Abstract Nifontovite and olshanskyite, two...near gehlenite-spurrite skarns at Fuka, Okayama Prefecture. Nifontovite occurs as aggregates of tabular...Ca2.sssB3.997(OH)ls on the basis of O = 20 for nifontovite and O H = 1 8 for olshanskyite, respectively | | Kobayashi, Shoichi, Ando, Tamami, Kanayama, Akiko, Tanabe, Mitsuo, Kishi, Shigetomo, Kusachi, Isao (2014) Calciborite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 109 (1) 13-17 doi:10.2465/jmps.130619 | Journal (article/letter/editorial) | Calciborite from Fuka, Okayama, Japan109, page 13 ─ 17, 2014 13 Calciborite from the Fuka mine, Okayama Prefecture...Prefecture, Japan Shoichi Kobayashi*, Tamami Ando*, Akiko Kanayama*, Mitsuo Tanabe**, Shigetomo Kishi*** and...Faculty of Science, Okayama University of Science, Kita-ku, Okayama 700-0005, Japan ** 2058-3 Niimi, Niimi...Niimi 718-0011, Japan *** 534 Takayama, Kagamino-cho, Tomata-gun 708-0345, Japan † 509-6 Shiraishi, Kita-ku...Kita-ku, Okayama 701-0143, Japan Calciborite was found as a veinlet or a mass in crystalline limestone | | Kusachi, Isao, Kobayashi, Shoichi, Tanabe, Mitsuo, Kishi, Shigetomo, Yamakawa, Junji (2004) Inyoite from Fuka, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 99 (2) 67-71 doi:10.2465/jmps.99.67 | Journal (article/letter/editorial) | Inyoite from Fuka, Okayama Prefecture, Japan 67 Inyoite from Fuka, Okayama Prefecture, Japan Isao KUSACHI*...Sciences, Faculty of Education, Okayama University, Okayama 700 − 8530, Japan Department of Earth Sciences...Sciences, Faculty of Science, Okayama University of Science, Okayama 700 − 0005, Japan *** 2058 − 3 Niimi, Niimi...Niimi 718 − 0011, Japan **** 534 Kagamino − cho Tomata − gun 708 − 0345, Japan ***** Department of Earth...Sciences, Faculty of Science, Okayama University, Okayama 700 − 8530, Japan Inyoite was found as fissure | | Bermanec, V., Tomašić, N., Gobac, Ž. Žigovečki, Linarić, M. Rajić, Furić, K. (2010) Dehydration processes in borate minerals: pentahydroborite and nifontovite from Fuka Mine, Okayama Prefecture, Japan. Mineralogical Magazine, 74 (6) 1013-1025 doi:10.1180/minmag.2010.074.6.1013 | Journal (article/letter/editorial) | minerals: pentahydroborite and nifontovite from Fuka Mine, Okayama Prefecture, Japan V. BERMANEC1,*, N. TOMAŠIĆ1... CaB2O(OH)6·2H2O and nifontovite, Ca3B6O6(OH)12·2H2O from the Fuka mine, Japan are presented. Critical...paths of the two minerals are different, with nifontovite showing a greater resistance to decomposition...borate polyanion. K EY WORDS : pentahydroborite, nifontovite, calcium borate, thermal decomposition, water...pentahydroborite and nifontovite, were found in marble at Fuka mine, Okayama Prefecture, Japan (Kusachi and Henmi | | | Journal (article/letter/editorial) | Journal of Mineralogical R. and Takahashi, Petrological I. Kusachi Sciences, and H.Volume Miura 105,...polymorphism in sibirskite and parasibirskite Ryosuke Takahashi*, Isao Kusachi** and Hiroyuki Miura* * Department...0810, Japan ** Department of Earth Sciences, Faculty of Education, Okayama University, Okayama 700 8530...8530, Japan - - The crystal structure of parasibirskite (CaHBO3) obtained at Fuka, Okayama Prefecture...Prefecture, Japan, was determined by Monte Carlo simulation using powder X ray diffraction data and confirmed | | Kobayashi, Shoichi, Yuasa, Manami, Tanabe, Mitsuo, Kishi, Shigetomo, Kusachi, Isao (2019) Vimsite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 114 (5) 219-223 doi:10.2465/jmps.181121 | Journal (article/letter/editorial) | 219–223, 2019 Vimsite from the Fuka mine, Okayama Prefecture, Japan Shoichi KOBAYASHI*, Manami YUASA*...of Science, Okayama University of Science, Okayama 700–0005, Japan ** 2058–3 Niimi, Okayama 718–0011, Japan...Japan *** 534 Takayama, Kagamino–cho, Tomada–gun, Okayama 708–0345, Japan **** 509–6 Shiraishi, Kita–ku...Kita–ku, Okayama 701–0143, Japan Vimsite was found as a mass or a veinlet in crystalline limestone associated...gehlenite–spurrite skarns at the Fuka mine, Okayama Prefecture, Japan. Vimsite occurs as colorless to | | | Journal (article/letter/editorial) | Takedaite, a new mineral from Fuka, Okayama Prefecture, Japan I. KUSACHI Department of Earth Sciences...Sciences, Faculty of Education, Okayama University, Okayama 700, Japan C. HENMI Department of Earth Sciences...Sciences, Faculty of Science, Okayama University, Okayama 700, Japan AND S. KOBAYASHI Department of Earth Sciences...Sciences, Faculty of Science, Okayama University of Science, Okayama 700, Japan Abstract Takedaite, Ca3B206...limestone near gehlenite-spurrite skams at Fuka, Okayama Prefecture. It occurs as aggregates of granular crystals | | | Journal (article/letter/editorial) | Lincoln] at 01:47 12 December 2015 Figure 1. The Fuka mine in winter. Hiroaki Tano photo. 13480 Tram View...The Dark Blue Borate from the Fuka Mine, Japan T he Fuka mine in Japan (no mispronun- ciations, please;...increasingly hostile to Japan, and in 1938 the United States began to embargo the sale to Japan of several strategic...borates over which California had a near monopoly. Japan lacks evaporite rocks, the world’s main source of...species such as ludwigite in China and danburite in Japan. Increasing desperation as World War II ground on | | Kobayashi, Shoichi, Ando, Tamami, Tanabe, Mitsuo, Kishi, Shigetomo, Kusachi, Isao (2017) Priceite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 112 (1) 20-24 doi:10.2465/jmps.160902 | Journal (article/letter/editorial) | page 20–24, 2017 Priceite from the Fuka mine, Okayama Prefecture, Japan Shoichi KOBAYASHI*, Tamami ANDO*...Science, Okayama University of Science, Kita–ku, Okayama 700–0005, Japan ** 2058–3 Niimi, Okayama 718–0011...718–0011, Japan *** 534 Takayama, Kagamino–cho, Tomada–gun, Okayama 708–0345, Japan † 509–6 Shiraishi, Kita–ku...Kita–ku, Okayama 701–0143, Japan Priceite was found as a mass or a veinlet in crystalline limestone associated...gehlenite–spurrite skarns at the Fuka mine, Okayama Prefecture, Japan. Priceite occurs as grayish white | | | Report (issue) | Nifontovite Ca3B6O6(OH)12∙2H2O Crystal Data: Monoclinic. Point Group: 2/m. Tabular prismatic crystals...40°-119.62° Z = 4 X-ray Powder Pattern: Novofrolovo mine, Russia. 2.41 (10), 7.04 (8), 2.21 (8), 3.79 (7)...27.65 99.59 100.00 (1) Novofrolovo mine, Russia. (2) Fuka, Japan; yields Ca3.05B5.99O6.04(OH)12∙1.96H2O...(Novofrolovo mine, Russia); near gehlenite-spurrite skarn formed by hydrothermal alteration (Fuka, Japan). Association:...(Novofrolovo mine); olshanskyite, pentahydroborite, sibirskite, parasibirskite, shimazakiite, calcite (Fuka, Japan) | | TAKADA, Masayuki, KUSACHI, Isao, KISHI, Shigetomo, TANABE, Mitsuo, YASUDA, Takashi (2005) Crystal forms of borate minerals from the Fuka mine, Okayama Prefecture, Japan. Japanese Magazine of Mineralogical and Petrological Sciences, 34 (5) 252-260 doi:10.2465/gkk.34.252 | Journal (article/letter/editorial) | forms of borate minerals from the Fuka mine, Okayama Prefecture, Japan 高田 草地 岸 田邊 安田 雅介 (Masayuki TAKADA)*...gehlenite−spurrite skarns at the Fuka mine, Okayama Prefecture, Japan. The interfacial angle of the euhedral...crystals are frolovite, henmilite, hexahydroborite, nifontovite, olshanskyite, pentahydroborite and uralborite...crystal forms of frolovite, hexahydroborite, nifontovite, olshanskyite and uralborite are the first report...mineral, Crystal form, Skarn, Crystalline limestone, Fuka I. は じ め に 硼酸塩鉱物は蒸発岩中のものを除けば,今までに旧ソ 連から多くの種類の産出が報告されている。また,岡山県 | | | Journal (article/letter/editorial) | Germany juvamiru@yahoo.com New Extraordinary Nifontovite Specimens From Charcas San Luis Potosí, Mexico...of specimens from his collection T he Charcas mine (fig. 1) is located 4 kilometers to the northwest...is situated 110 kilometers north-northwest of the city of San Luis Potosí, capital of the state of San...San Luis Potosí, Mexico. This Zn-Pb-Ag-Cu mine became famous for the world’s finest danburite crystals as...discovered at the Charcas mine: bakerite and nifontovite. Currently, the mine is operated by Industrial | | KUSACHI, Isao, KOBAYASHI, Shoichi, HENMI, Chiyoko, TAKECHI, Yasushi (1999) Calcium Borate Minerals in the CaO-B2O3-H2O System at Fuka, Okayama Prefecture, Japan. Journal of the Mineralogical Society of Japan, 28 (2) 41-46 doi:10.2465/gkk1952.28.41 | Journal (article/letter/editorial) | Chiyoko ・武 智 泰 史 at Fuka, Okayama HENMI Prefecture, and Yasushi Japan TAKECHI Abstract: Calcium-borate...near gehlenite-spurrite skarns at Fuka, Okayama Prefecture, Japan. The minerals are plotted in the CaO:B2O3...parasibirskite to olshanskyite, frolovite and nifontovite. takedaite,parasibirskiteお 1.は CaO‑B2O3‑H2O系...育 学 部 地 学 教 室 Department Okayama of Earth Sciences, University, Okayama Faculty 700‑8530, of ence...Department of Earth University, Science, Okayama of Sci Japan. Faculty 700‑8530, of Kurashiki Museum | | | Report (issue) | 102.49(3)° X-ray Powder Pattern: Fuka Mine, Okayama Prefecture, Japan. 7.57 (100), 2.671 (84), 2.727 (68)...1.02 0.51 15.80 9.75 99.60 (1) Fuka Mine, Okayama Prefecture, Japan; average of electron microprobe...Occurrence: On the wall of cavities in a vein of nifontovite or in fractures in a crystalline limestone near...Borcarite, nifontovite, bultfonteinite, calcite. Distribution: In Japan, at the Fuka Mine, Okayama Prefecture...Numano (1931-2001), Emeritus Professor, Okayama University, Japan. Type Material: Department of Geology | | | Journal (article/letter/editorial) | Dolomitic, Rhodochrosite, and Calcareous Marbles of Japan S. M. Aleksandrov† and M. A. Troneva Vernadsky Institute...endogenous borates from hypabyssal skarn deposits of Japan (Honshu Island) that were formed after dolomitic...and are developed in calcitic marbles at the Fuka mine. Depending on initial composition of carbonate...takedaite, sibirskite, Mg, Mn, and Caskarns, Japan DOI: 10.1134/S001670291211002X INTRODUCTION The...endogenous borate mineral ization of Honshu Island, Japan are localized in the outer contact aureoles of the | | | Journal (article/letter/editorial) | collected from a crystal from the Fuka mine, Okayama Prefecture, Japan, using a PW1100 Philips single-crystal...olshanskyite and that of the analogous borate nifontovite Ca3[B3O3(OH)6]2•2H2O also are discussed. Olshanskyite...d’olshanskyite, Ca2[B3O3(OH)6]OH•3H2O, provenant de la mine Fuka, préfecture d’Okayama, au Japon, au moyen d’un...différences structurales entre l’olshanskyite et la nifontovite, Ca3[B3O3(OH)6]2•2H2O. L’olshanskyite serait...with nifontovite Ca 3[B 3O 3 (OH) 6] 2•2H 2O, in the gehlenite–spurrite skarns at Fuka, Okayama Prefecture | | Kusachi, I., Kobayashi, S., Takechi, Y., Nakamuta, Y., Nagase, T., Yokoyama, K., Momma, K., Miyawaki, R., Shigeoka, M., Matsubara, S. (2013) Shimazakiite-4M and shimazakiite-4O, Ca2B2O5, two polytypes of a new mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 77 (1) 93-105 doi:10.1180/minmag.2013.077.1.09 | Journal (article/letter/editorial) | two polytypes of a new mineral from Fuka, Okayama Prefecture, Japan I. KUSACHI1,2, S. KOBAYASHI3, Y. TAKECHI4...Sciences, Faculty of Education, Okayama University, Okayama 700-8530, Japan Department of Geology and Palaeontology...Tsukuba 305-0005, Japan Department of Applied Science, Faculty of Science, Okayama University of Science...Science, Okayama 700-0005, Japan Kurashiki Museum of Natural History, Kurasiki 710-0046, Japan Kyushu University...Museum, Fukuoka 812-8581, Japan Tohoku University Museum, Sendai 980-8578, Japan [Received 28 February 2012; | | | Report (issue) | 740(11) c = 7.975(3) X-ray Powder Pattern: Fuka, Japan. 2.873 (100), 6.79 (52), 4.49 (49), 6.72 (40)...corresponds to Ca3.00 B4.00 (OH)18.55 . (2) Fuka, Japan; corresponds to Ca2.89 B4.00 (OH)18 . (3) Ca3...alteration of nifontovite and some other anhydrous borate, near gehlenite-spurrite skarn (Fuka, Japan). Association:...“limonite”, quartz (Titovskoye deposit, Russia); nifontovite, frolovite, pentahydroborite, takedaite, sibirskite...parasibirskite, borcarite, bultfonteinite, calcite (Fuka, Japan). Distribution: From the Titovskoye boron deposit | | Kusachi, I., Takechi, Y., Henmi, C., Kobayashi, S. (1998) Parasibirskite, a new mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 62 (4) 521-525 doi:10.1180/002646198547891 | Journal (article/letter/editorial) | Parasibirskite, a new mineral from Fuka, Okayama Prefecture, Japan I. KUSACHI,Y. TAKECU~ Department of...Sciences, Faculty of Education, Okayama University, Okayama, 700-8530, Japan C. H E ~ I Department of Earth...Sciences, Faculty of Science, Okayama University, Okayama, 700-8530, Japan AND S. KOBAYASHI Division of...University of Science and the Arts, Kurashiki, 712-8505, Japan Parasibirskite, with the ideal formula Ca2B2Os...is a new mineral species found at Fuka, Okayama Prefecture, Japan. It is a polymorph of sibirskite, CaHBO3 | | | Report (issue) | polytype] X-ray Powder Pattern: Fuka mine, Okayama Prefecture, Japan. 2.92 (100), 3.02 (84), 2.81 (56)...(2) 61.30 36.51 [1.20] 99.01 (1) Fuka mine, Okayama Prefecture, Japan; average of 28 electron microprobe...corresponding to Ca2B1.92O4.76(OH)0.24. (2) Fuka mine, Okayama Prefecture, Japan; average of 25 electron microprobe...parasibirskite, nifontovite, calcite, an uncharacterized hydrous calcium borate. Distribution: At the Fuka mine...mine, Okayama Prefecture, Japan. Name: Honors Emeritus Professor Hidehiko Shimazaki (b. 1939), University | | | Report (issue) | 523(2) c = 3.567(3) X-ray Powder Pattern: Fuka, Japan. 2.955 (100), 2.603 (94), 4.77 (33), 3.329 (32)...(2) 34.85 56.13 9.02 Total 99.66 100.00 (1) Fuka, Japan; by electron microprobe, B2 O3 by wet chemistry...(Yuliya Svintsovaya deposit, Russia); takedaite, nifontovite, olshanskyite, pentahydroborite, frolovite, parasibirskite...parasibirskite, uralborite, borcarite, fluorite, calcite (Fuka, Japan). Distribution: In Russia, from the Yuliya Svintsovaya...Selenyakhsk Ridges, Transbaikal. From Fuka, near Bicchu, Okayama Prefecture, Japan. Name: For its first-noted | | | Report (issue) | 638(1) c = 11.850(2) Z=6 X-ray Powder Pattern: Fuka, Japan. 2.915 (100), 1.895 (75), 2.756 (61), 2.493 (44)...14 (2) 29.27 70.73 Total 99.68 100.00 (1) Fuka, Japan; corresponds to Ca3.05 B1.96 O6 . (2) Ca3 B2...Name: Japan. Frolovite, nifontovite, olshanskyite, pentahydroborite, sibirskite, calcite. From Fuka, near...near Bicchu, Okayama Prefecture, Japan. Honors Professor Hiroshi Takeda (1934– ), mineralogist, University...Type Material: National Science Museum, Tokyo, Japan; National Museum of Natural History, Washington | | | Report (issue) | deposit, Russia; estimated gypsum 3% impurity. (2) Fuka, Japan; corresponds to Ca1.00 B2.01 (OH)8.03 . (3) CaB2...sibirskite, takedaite, pentahydroborite, nifontovite, calcite (Fuka, Japan). Distribution: In Russia, from the...Balkhash region, Kazakhstan. From Fuka, near Bicchu, Okayama Prefecture, Japan. Name: For the first-noted...Kobayashi (1995) Frolovite from Fuka, Okayama Prefecture, Japan. Mineral. J. (Japan), 17, 330–337. (4) Simonov |
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Fuka mine, Fuka, Bitchū, Takahashi City, Okayama Prefecture, Japan