Aegirine with Fluorescent Feldspar – Lulwe, Malawi
About This Specimen
This miniature specimen from Lulwe, Malawi features an elongated black aegirine crystal accented by contrasting cream-white feldspar crystals. The largest blocky feldspar crystal crosses the aegirine at an angle, creating a distinctive sculptural profile, and the feldspar is reported by the seller to be fluorescent.
Specimen Details
- Mineral / Specimen Type: Aegirine with fluorescent feldspar
- Locality: Lulwe, Malawi
- Form & Structure: Elongated, longitudinally striated aegirine prism with attached blocky feldspar crystals; mounted for display
- Color: Opaque black aegirine with cream-white to pale gray feldspar and minor tan-brown surface material
- Rarity: Uncommon as a well-formed aegirine-and-feldspar association from the supplied locality; aegirine itself is not considered rare
- Mohs Hardness: Aegirine 6; feldspar approximately 6–6.5, depending on species
- Luster: Vitreous to slightly resinous on aegirine; subdued vitreous to pearly on feldspar
- Chemical Formula: Aegirine: NaFe3+Si2O6; feldspar formula varies by species
- Specimen Size: Miniature
- Dimensions: 1.9 × 1.4 × 4.5 cm
- Specimen Weight: 6 g — mineral only
- Total / Display Weight: 53.8 g
About Aegirine
Aegirine is a sodium iron silicate and member of the pyroxene group, commonly recognized by its dark green-black to black color and elongated prismatic crystals. It has a Mohs hardness of approximately 6 and the formula NaFe3+Si2O6; in this specimen, its dark striated form provides a strong visual contrast with the pale associated feldspar.
Traditional & Metaphysical Associations
In crystal traditions, aegirine is associated with grounding, personal boundaries, and focused intention, while feldspar is often linked symbolically with creativity and self-awareness. These associations may be used in meditation, spiritual practice, or intentional display. Metaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.
Why This Specimen?
The nearly vertical black aegirine prism and diagonally positioned cream-white feldspar create a bold, high-contrast composition from multiple viewing angles. Its compact mounted presentation makes it well suited to a miniature collection or small display space.
Exact specimen pictured. You will receive the exact specimen shown in the photographs.