1992 年 21 巻 4 号 p. 291-292
'A mineral' is defined as an anisotropic solid state substance whose origin and properties are left to be elucidated. 'Mineralogical Society' which consists of the people interested in minerals should work the survival of mineralogy. Every member should appeal the activities of the mineralogists including his to the scientists of the related fields. It is proposed that the present three mineralogical societies in Japan be unified.