ऐक्माइटः
सोडियम तथा लोहे के भूरे एवं हरे रंग के सिलिकेट से युक्त पाइरॉक्सीन वर्ग का एक खनिज NaFe(SiO3)2 । यह प्रायः लम्बे और विशेष रूप से नुकीले प्रिज़्मीय क्रिस्टलों में पाया जाता है।
विकिपीडिया से (Meaning from Wikipedia)
Aegirine
Aegirine is a member of the clinopyroxene group of inosilicates. Aegirine is the sodium endmember of the aegirine-augite series. Aegirine has the chemical formula NaFeSi2O6 in which the iron is present as Fe3+. In the aegirine-augite series the sodium is variably replaced by calcium with iron(II) and magnesium replacing the iron(III) to balance the charge. Aluminium also substitutes for the iron(III). It is also known as acmite, which is a fibrous, green-colored variety.
