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(1)[science. Reports. ". Yokohama. the. of. Sec･. NationalUniversity,. ”,. Yugawaralite. A. New. A.. ⅡAYASIII. II･ Not. 1,. 1952]. Zeolite. By. E.. SAEURAI. and. Prefa(:e. While fecture,. studying zeolites from in 1930, SAKURAI found. stilbite, Desmine, and study Laterin1948,. certifythis. I be. an. able. from. unknown. (Fig. 1 Atami. new. mineral. lβ5.000Ac). on. study. be. with. different. quite By. etc･. to. Kanagawa. area,. a. the. from. HAYASIiI's. Epi･. morpbological. unknown. new. Pre-. zeolite･･. co･Operation,. to･. mineral.. I.ocality This. this. detailed. new. unknown. was. zeolite. I assumed. analysis,. was. a. which Ptilolite, Cbabazite. Laumontite,. chemical. I‡ot Spring. YLlgaWara. is. the. arLd. Occurrence in. found right. Fig.. side. 1. rocks. of the. near. ”Fudo･no･taki”. road. to. Okuyugawara. Fall I‡ot.

(2) K. ･■70. leading. Sprillg. Hわt. wara. Spring.. Alorlg. series,. being. wbicb, the. near. ,green pretty. in. crystals. and net. in. work,. vein. work Co･existing. its cavity.. Chabazite,. Andesite,. Andesite. is Rock. Yugashima is grayish. action,. wide. it:.. over. this. spring. is 5-15mm. mineral. (lowきr. develops. t11圧of. hot. by. much. net. Yuga･. from. m. ‥Yugashima''series ”r. the. very. The. of Laumontite,. ｡amount. River,. 300. is about. place. ''Tenshozan. metamorphosed. outcrop.. this. Chitose. the. miocene, tert]'ary) develops, occurs, forming 一Yugavaralite. A.耳ayashi. and. River,. Cbitose. the. along. Sakurai. has. and. many a. fev. (b･axis). and. crystal,. and. Ptilolite.. Crystal Monoclinic,且at =10. (c-axis), Crystal. mm. ∂ is considerably. of. ∂, ∽,. two. or. many ∵scHMDT's. faces. are. the. ♪. (Fig. 3).. are. crystals dollble. in. are. crystals. in. found circle. (110), l(120),. m. of b, Stereo. goniometer. 2m_m. m,. a,. c,. cavity are. ”. is. along. of the on. (011), a(Ill). longer. vein.. Table. sometimes,. Fig.. shown. on. (010).. ∫rregular. Data. mass. by. measured. ヽ可. ヽi ヽ‡ p. ヽヽ. ヽt. ヽヽヽ. ､l. ヽ. 下. C. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I l. 〟. α. m. I J. m. !;≡ I I. I l. :!l l. Fig.. 2. Fig.. 3. Often,. 4.. I.. ヽ. c-axis.. along. 2) but. and九(Fig.. projection growth. ”. is slightly. crystal. parallel the. (a-axis),. follows:. The. consists. crystal. ∫,〟 and more. developed.. 5mm. to as. (100), b(010), c(001),. a. 'Normally,. Reaches. crystal.. 1 1 I 1 I1 1. 1. of GoLD･.

(3) ``. ”,. Yugawaralite. A. New. Zeolite. 7工. 7n ll). ”(011). C(0. 叩′103 i(2 1 ･0) Fig.. 4. Table. I. C. 0 bseI･ Ved. lcul atedl). a. (o?1). 89056/*. 21o32/. ;. Si2:e Of3) Face. 90oOO/. A. M. A. V.L. b. (010). 90oOO/. OoOO/. 90つ00/. 0000/. a. (100). 90oOO/. 900 00/. 90oOO/. 90o 00/. A. 47049喜/. B. 65036/. ち. M. 59o20/. A. ”. 29o 05/. A. M. (110). 90oOO/. 47o48/辛. 90000/. (2!0). 900oo/. 65o33/. 90oOO/. p. (111.). 54o30/辛. 59o25/*. 54o23/. u. (oll). 39o30/. 28o58/. 39o10喜/. 孤. I. On. 21o32/*. Strengtb. 管. ￠. c. Refrection2,. the. these. b. surface data,. different. axial from. -. 1). Calculated. 2). A:. strong.. 3). Ⅴ.L:. very. are. ratio. those. often and. b:. *. marked. by. formula･. found. ち: middle. C: weak. large, M: S: middle,. axial. of other a:. from. -. streaks. parallel are. angle. obtained. zeolit:es., c=0.9758:. 1:. 0.7129. β-68つ28/. S M. sma11･. to. principal as. follows,. axis･. wbicb. From are.

(4) K. 72. Sakurai. Physical Colorless On. transparent. has. b. Eardness. or. often. semi･transparent,. Streak:. 41/2. Speci丘c gravity. :. 2.201. :. 89o. 76o,. optic. (different by. etc･. ･observed. Refraction Shows. positive,. index. :. straight. Absorbtion:. axial. the. :. plane. shown. on. (tIAYASHI).. 2v. (010).. to. perpendicular. Optically. specimens). :. 56o, is. negative. elongation. 68o, not. γ-α-0.009. γ-1.504. ､. is negative.. p<y. CⅠiemieal Results. b.. on. Properties. β-1.497. extinction,. lustre.. vitreous. incomplete. 2.198. (SAKURAI),. measured. α-1.495. strong. Cleavage:. white.. Optical Optically. Hayashi. Properties. white. iridescence.. A.. and. of Table. by. chemical analysis II (1, 2).. Properties Messrs.. A.. HAYASI王I. N.. and. SIMODA. are. II. Table 1. 2. SiO2. 57.94%. 58.44%. A1203. 17.65. 17.31. Fez 03. 0.35. 0.36. CaO. 9.79. 9.75. MgO. 0.86. 0.42. 0.38. 0.36. MnO Na20 E20. 0.41. 'E20. (＋). fI20. (-). 0.12 10.55. 10.70 1.80. 2.03 99.34. 99.88 by. The. following. calculated. atomic. from. volume. Si 19.60, F20 From more,. hot. A1. 14.ll,. these. data. this zeolite hydrochloric. T10n･COloration. ratio. 0. (1948). (1951). elements. cell, speci丘c Mg. 0.08,. OA2,. in. unit. Sbimoda. Yugawaralite. of. is. etc.. gravity,. Ca. cell. N.. 3.56,. Na. 0.24,. E. 0.16,. 54.00.. is obtained. has acid. by. Fe. by. of the. of umit. 6.99,. A.甘ayasbi. a. and. molecular. speci丘c. does. methylene･blue.. formula. characteristic not. produce. Ca4A17Si20054 that. gelatine,. is. not the. ･. 14H20.. Further-. by cold or attacked is latter decided from.

(5) Namely, group. Yugawaralite, in. which. not. ”,. ''Yugawaralite. following. Mordenite. by. hydrochloric. attacked. graph. lattice every､. around. New. like. Stdy Tbe. A. By. Camera. 73. Ptilolite,. and. b91ongs. to. zeolite. acid.. X･Ray. is determined. constant axis.. Zeolite. from. X･ray. oscillation. 3.41mm,. radius:. pboto･ Mo. Anticathode:. O. (MoKcE,九-0.71A) 0. ao-. Axial. ratio. from. that. 0. bo-. 13.26A, from. data. these. o. 13.65A a. :. b. :. β-68o30/. co-9.73A 1: 0.7136. c-0.9715:. coincides. goniometric. Tbe. lines of Debye-Scberrer photograph of Yugawaralite those of Mordenite, Heulandite, Epistilbite Desmine. and. vith. distance. bttice. and. intensity. l of these Table. Yugawaralite. Co首 D. Mordenite. D. 2,865cm. Heuland. FeI(α 2.865cm D. 5.50cm. -. d. (A). 10. 00. 8. 7.65. 8. 26. 1. 6.ll. 7. 26. 8. 5.25. do. D. CuE∝ D. 5.019cm. =. !Ⅰ. 8. 9 73. 1. 5. 10. 8 18. 8. 6. 10. 4 89. 1. 2. 6. 4.5 3. 9. 4 45. 5.69. 10. 5.48. 5. 3.7 8. 8. 3. 88. 5.23. 5. 4.95. 8. 3.5 9. 2. 3.25. 1. 3.5 0. 2. 3.07. 4. 3.1 8. 3. 2.92. 10. 2.77. 5. 10. tI. d(Å). 6.41. 4.48. 2.865cm. -. I. 6. 9. III shows. Desmine. ite. 6.48. 4.71. coincide. not. Table. CuKc(. -. a( A). (A). with. III. 0. d. well. zeolites.. Epistilbite. Cut(α. a( -. very. data.. 10. d(Å). 室喜 ∃ 6. 100. 6 6. 10. 4. 4.27. 4. 4.30. 6. 2.9 6. 4. 3.90. 4. 4.14. 5. 2.7 7. 6. 2.68. 4. 3.74. 10. 2.6 0. 2. 2.37. 2. 3. 3.51. 10. 2.3 1. 4. 1.94. 6. 2. 3.33. 5. 2.1 7. 5. 1.77. 5. 3.13. 5. 2ユ 1. 2. 1.71. 1. 1.60. 6. 2.98. 3. 2.0 2. 2. 1.64. 1. 1.56. 5. 2.72. 4. 1.9 2. 1. 1.46. 3. 1.8 5. 4. 1.35. 2. 1.37. 2. 1.27. 2. 1.31. 5. 1.23. 1. 1.24. 5. 3.72. 3.52 3.20. 10. 4. 3 5. ≡;…… 】 3. 2. l 1. 3.07. 10. 2. 91. 4. 2.48. 3. 2.21. 2. 1.7 9. 2. 2▲05. 2. 1.7 1. 1. 1.48. .3.

(6) 74. E.. We. Mg,. volume and. of unit axial. A.. and. Eayasbi. by calculation from gravity specific n-1.04 Na, 054･14.ll E)4.83 (Al, Fe)7.07 Si19.60. obtain. (ca,. Sakurai. is. cell which of unit. angle. cell.. is 1.. cell of Yugawaralite kflOWn, are found. Crystal. Table. in. obtained Therefore. from the. constants. the. H20. II, 1). (Table. n. number space. of. molecules. groups-. and. length. axial. mentioned. above. and. formulaT. (2.20), molecular. in. of zeolites. unit now. IV. TableIV. Axial. length.. (uAnit ) Mordenite. ao. bo. 18.25. 20.35. Space. ･group.. 7.50. 18.70. 15.85. Epistilbite.. 14.90. 17.87. 10.32. Yugawaralite.. 13.26. 13.65. Desmine.. 13.60. 18.13. ll.29. 9.80. 14.10. 8.66. Pbillipsi te.. 10.00. 14.25. 8.62. Gismondite.. 13.68. 14.28. 10.60. Stellerite.. 17.52. 18.34. 13.43. Ⅰ‡armotome.. angle.. Co. 7.45. Heulandite.. Axial. W.H.. C∋b. 54o20/. T.. Taylor Wyart. (1938) (1933). A･ Hayasbi. (1949). E. A.. Sakurai Hayasbi. (1949). T. T.. Sekania Wyart. (1937). C…. T. T.. Sekania Wyart. (1937). C…. P. Cbatelain T. Wyart. (1938). 0. Kraus. (1939ノ. E.. Takane. (1937). D5d. T.. Wyart. (1933). c;ov. T.. Wyart. (1933). C22h. Or. c22h. Or. D鼠or D盈 v2h3,. v. Rbombobedral Chabazite.. 13. 75. 14.95. a=9.37 ∝. Tbomsonite.. 13.04. 13.06. Gonnardite.. 13.35. 13.35. Natrolite.. 18.3. Mesolite. Scolesite.. Analcime.. 6.65. (1932) ㌍･AT･ BEae芸st｡r. (?). 冨･AT. (1933). T.. Wyart. (1933). T.. Wyart. (1933). ･MTeaeyklor. 6.54. 18. 44. 18.44. 18.90. 6.53 6.53. 13.68. 94o34/. 13.22. 5.67. Edi ngtonite.. =. 90o土20/. C塁 or. C蓋 -cc Vま. c監. (1934) T･A?･ BEaen?st｡r.

(7) ". Thermal Mr.. M.. KoIDZ口MI. Curve. a).. of. different. is clearly or. to. similar. rather 400oC,. from. (F]'g. 5, E),. Ptilolite. what. Loss. rapidly next. that. and. than. more. 4. rapidly. of. 75. Zeolite. about. The. (Fig.. molecule between 400oC. zeolites. of 5,. C),. in. 5,. Namely,. B).. follows. as. four. till lOOoC, of 甘ater later 450oC, and. :. 〔Fig･ 5,. Yugawaralite. de-hydrates. (Fig.. 3. several. curve. Heulandite. generally. Laumontite. of. data. (Fig. 5)｡. that. New. Properties. thermal. gives. Beating. A. ”,. Yugawaralite. Deimine steps. (Fig. is. and. Yugawaralite then very. some･. loses. slowly slowly. 6 till 1-1.5. molecule. ノ∫. β /0. o/o. い /oo. 20O. 3oo. 如0. {UO. ､600. 7抑. 8■00. β. /// /. Fig.. 5. Curve A.. of甘eating Yugawaralite. B. Laumontite. Loss. 』. C. Desmine D.. Heulandite. /. A). 5, D). E. E. Ptilolite. 育,.

(8) E.. 76. Curve. b).. (Fig. 6, C). waralite. other. of Differential is. Sakurai. Thermal. very. A.. and. Hayasbi. Analysis. (Fig. 6). and. characteristic. quite. This. curve. different. of. from. Yuga･. that. of. zeolites.. †. 夢. tq ロ. eA. ふ. ∼. F. 昌4 P -. 2. t< 舛. (⊃. r＋F. C. 00. rD. 200. 3oo. 400. Te771 P･. あ00. goo. ワ00. l■1. 冒 ” l■■■. I. C. D. Fig.. Curve. 6. A. Laumontite,. D. Ptilolite.. of. Differential B. Thermal. Desmine,. C. Analysis.. Yugawaralite,. S11mmary. 1).. faces:. c. is large.. 2).. Physical: ous. Optical:. (001), b (001),. a: a. b:. (100),. c-0.9748: m. 1: 0.7129. β-68o2凱. ltlStre.. (110), l､(120), ”(011),P (亨11). b'i(o 10). colorless. Cleavage:. or. imperfect. semitransparent, on. Strong. white.. 4.5. (010).吉ardness:. : 2.20.. Optically. α-1.495,. CrystaI. Flat. Transparent,. gravity. 3).. Monoclinic.. Morphological:. positive,. β-1.497,. Optic. γ-1.504. axial. plane⊥(010),. 2V. :. 56o-89o. vitre･ Speci丘c.

(9) 4).. Chemical. 5).. X･ray:. :. Ca4AI7Si20054. Lattice. cell. 1. contains. TbermaI:. differential to. 7ア. by. attacked bo-13.69,. ao-13.26, does. photograph. Yugawaralite. tention. Zeolite. HCl.. β-68o28l.. co-9.73,. Unit. molecule.. Debye-Scberrer. 6).. New. Not. 14H20.. ･. constant. A. ”,. ``Yugawaralite. with that of other zeolites. like Laumontite. Curve ofNecessary to characteristic. pay at･ not. dehyrates. thermal. is. analysis reaction. endotbermal. coincide. in. 4 steps. at. 540o.. Conclt) siorL By. 〟. Finally, his. above. we. mentioned,. can. not. we this zeolites, and may consider Yugawaralite ''after its locality.. other it. data. the. long. SEIMODA,. the kind. T.. hope. authors guidance,. YoKOTA,. to. and. K.. IsEIOEA,. to. also T.. a. new. their nearly. express to. be. identify. Messrs.. EAWAI. and. E･ E.. this mineral zeolite.. thanks SoRIDA, NAGASEIMA.. to. M.. We. Dr.. with. the. wish. to･. T. ITO. for･. KoIDZUMI,. N..

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