Coffin + -ite, after Reuben Clare Coffin, American geologist.
"coffinite." YourDictionary, n.d. Web. 17 December 2018. <https://www.yourdictionary.com/coffinite>.
coffinite. (n.d.). Retrieved December 17th, 2018, from https://www.yourdictionary.com/coffinite
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