Jisho

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Noun
1. blue vitriol; chalcanthite
Wikipedia definition
2. ChalcanthiteChalcanthite, whose name derives from the Greek, chalkos and anthos, meaning copper flower, is a richly-colored blue/green water-soluble sulfate mineral CuSO4·5H2O. It is commonly found in the late-stage oxidation zones of copper deposits. Due to its ready solubility, chalcanthite is more common in arid regions. Chalcanthite is a pentahydrate and the most common member of a group of similar hydrated sulfates, the chalcanthite group.
Read “Chalcanthite” on English Wikipedia
Read “胆礬” on Japanese Wikipedia
Read “Chalcanthite” on DBpedia
Other forms
胆礬 【たんぱん】丹礬 【たんばん】丹礬 【たんぱん】
Notes
丹礬: Irregular kanji usage. 丹礬: Irregular kanji usage.

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