Guide
Aegirine specimens for sale
57 for sale · $40–$10,000 USD
65 in the gallery
Aegirine is a silicate mineral that forms in sodium-rich pyroxene compositions. It typically crystallizes as dark green to black, needle-like to columnar prisms with a vitreous to submetallic luster and a prismatic habit. Fine specimens show sharp, elongated crystals that can form on or within igneous rocks, often associated with other alkali pyroxenes and minerals produced in alkaline or nepheline syenite settings. Localities known for high-quality aegirine crystals include Canada, Pakistan, Malawi, Russia, and Denmark, where late-stage hydrothermal processes and alkaline magmatic activity contribute to robust crystal growth and well-formed blades.
- Formula
- (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
- Rarity
- Common
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Inosilicate; pyroxene group (single-chain silicate)
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About Aegirine
Collectors prize aegirine for its distinctive color and robust, slender crystals that stand out in a cabinet or display. The contrast of dark hues against lighter matrixes, combined with the mineral’s glassy luster and sharp terminations, makes it appealing for both aesthetic and locality-based collections. Aegirine often occurs with other pyroxenes or feldspathoids, offering interesting matrix specimens and potential associations for study and display, which adds to its appeal among mineral enthusiasts seeking bold, high-clarity crystals.
