| | Book | Kalsilite, recalculated from an analysis of a complex phenocryst of kalsilite and nepheline lava of Baruta...crystallises in the hexagonal system and has a complex formula that represents essentially a hydrated...feldspathoidal rocks by pyroxenes rich in the aegirine (or acmite) molecule, NaFeSi,Og, and the various...composition from diopside, CaMgSi,Og, through aegirine-augite to aegirine. Small needles of sodic pyroxene are...melts incongruently such as the mafic mineral aegirine, while the precipitation from oversaturated melts |
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