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Beekite
Beekite is a distinctive form of chalcedony sometimes associated with silicified fossils. Beekite, recognised as small, concentric rings of microcrystalline quartz is recorded as first brought to attention of geologists by Dr Beeke, Dean of Bristol.〔 Studies were reported by Thomas McKenny Hughes, in Devon,〔 and Etheridge in Australia 〔 ==References==
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「Beekite」の詳細全文を読む
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