Natural Aegirine Needle & Blade Crystals
- Black aegirine. Predominantly slender needle shaped crystals but includes some blades and stone shaped crystals.
Aegirine Needle & Blade Crystals
Aegirine occurs as monoclinic prismatic crystals. It has a glassy lustre and perfect cleavage. Aegirine is a member of the clinopyroxene group of inosilicate minerals. Aegirine has the chemical formula NaFeSI2O6 in which the iron is present as Fe3+.
Description of these crystals