pumpellyite

noun pum·pel·ly·ite \ ˌpəmˈpelēˌīt \

Definition of pumpellyite

plural -s
:a mineral Ca4(Al,Mg,Fe)6Si6O23(OH)3.2H2O(?) consisting of a hydrous calcium aluminosilicate probably related to clinozoisite

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Origin and Etymology of pumpellyite

Raphael Pumpelly †1923 American geologist + English -ite


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