Definition of ankaratrite
: a melanocratic nephelite-basalt containing some feldspar, phenocrysts of olivine, microlites of titanaugite, and from 10 to 15 percent nephelite
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Origin and Etymology of ankaratrite
French ankaratrite, from Ankaratra mountains, Madagascar, its locality + French -ite
First Known Use: 1916See Words from the same year
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