phenocrystic
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phenocrystic — adjective see phenocryst … New Collegiate Dictionary
phenocrystic — pheno·crys·tic … English syllables
phenocrystic — adjective see phenocryst … Useful english dictionary
phenocryst — noun Etymology: French phénocryste, from Greek phainein to show + krystallos crystal more at fancy Date: 1893 one of the prominent embedded crystals of a porphyry • phenocrystic adjective … New Collegiate Dictionary
Lamproite — Lamproites are ultrapotassic mantle derived volcanic rocks. They have low CaO, Al2O3, Na2O, high K2O/Al2O3, a relatively high MgO content and extreme enrichment in incompatible elements.Lamproites are geographically widespread yet are… … Wikipedia
