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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Esperite ： ウィキペディア英語版 Esperite Esperite is a rare complex calcium lead zinc silicate (PbCa3Zn4(SiO4)4) related to beryllonite and trimerite that used to be called ''calcium larsenite''. It was named in honor of Esper F. Larsen Jr. (1879–1961), petrologist of Harvard University. Esperite has a white, greasy appearance in daylight and is much prized for its brilliant yellow green fluorescence under shortwave ultraviolet light. It is found in association with calcite, franklinite, willemite, hardystonite and clinohedrite. It has also been found as prismatic crystals up to 1 mm in length at the El Dragon Mine, Potosi, Bolivia in association with allophane, chalcomenite, clinochalcomenite and barite. ==References== *(Mineral galleries ) *Pete Dunn, ''Franklin and Sterling Hill, New Jersey: the world's most magnificent mineral deposits'', part 3 p. 368 (1995) *G. Grundmann, et al.: ''The El Dragon Mine, Potosi Bolivia'', Mineralogical Record v.21 #2 p. 142 (1990) *Anthony et al., ''Handbook of Mineralogy'', Vol. 2 (silicates) part 1 p. 225 (1995) Robbins, Manuel: Fluorescence Gems and Minerals under Ultraviolet Light Geoscience Press pp 50–51,243 (1994) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Esperite」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.