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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 Druse (geology) ： ウィキペディア英語版 Druse (geology) In geology, druse refers to a coating of fine crystals on a rock fracture surface,〔Klein, Cornelis and Cornelius S Hurbut, Jr, ''Manual of Mineralogy'', Wiley, 20th ed. 1985, P. 199 ISBN 0-471-80580-7〕 vein or within a vug or geode.〔(Mindat.org glossary: Druse )〕 Druse occurs worldwide, the most common is perhaps quartz druse within voids in chert or agates. Garnet, calcite, dolomite and a variety of minerals may occur as druse coatings. ==In jewelry== Because of its sparkling appearance, druse is sometimes used in jewelry making. Both the glittering effect of the tiny crystals and the color of the base mineral are factors when selecting druse for this purpose. 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「Druse (geology)」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.