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Aegirine is a member of the clino
pyroxene group of
inosilicate minerals. It is the sodium endmember of the aegirine–
augite series, and has the chemical formula NaFeSi2O6, in which the iron is present as the ion Fe3+. Aegirine occurs as dark green
monoclinic prismatic crystals. This photograph depicts aegirine crystals with minor
feldspar found at Mount Malosa in
Zomba, Malawi.Photograph credit:
Ivar Leidus
Aegirine is a member of the clino
pyroxene group of
inosilicate minerals. It is the sodium endmember of the aegirine–
augite series, and has the chemical formula NaFeSi2O6, in which the iron is present as the ion Fe3+. Aegirine occurs as dark green
monoclinic prismatic crystals. This photograph depicts aegirine crystals with minor
feldspar found at Mount Malosa in
Zomba, Malawi.Photograph credit:
Ivar Leidus