| 单词 | epidote |
| 释义 | Word Frequency epidote(ˈɛpɪˌdəʊt) noun a green mineral consisting of hydrated calcium iron aluminium silicate in monoclinic crystalline form: common in metamorphic rocks. Formula: Ca2(Al,Fe)3(SiO4)3(OH) Derived forms epidotic (ˌɛpɪˈdɒtɪk) adjective Word origin C19: from French épidote, ultimately from Greek epididonai to increase, from didonai to give; so called because two sides of its crystal are longer than the other twosides |
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