damkjernite
noun
dam·kjern·ite
ˈdamkyə(r)ˌnīt
plural -s
: a melanocratic dike rock with phenocrysts of biotite, pyroxene and barkevikitic hornblende in a groundmass of pyroxene, green hornblende, olivine, magnetite, and considerable calcite
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Merriam-Webster unabridged
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