
Malawi
2.52 carats
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| General Information | ||||||||||||||
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| Chemical Formula |
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| Physical Properties of Aegirine | ||||||||||||||
| Mohs Hardness | 6, Gemmological Tables (2004) More from other references | |||||||||||||
| Specific Gravity | 3.5, Gemmological Tables (2004) More from other references | |||||||||||||
| Cleavage Quality | Distinct, Gemmological Tables (2004) | |||||||||||||
| Optical Properties of Aegirine | ||||||||||||||
| Refractive Index | 1.760 to 1.805, Gemmological Tables (2004) More from other references | |||||||||||||
| Optical Character | Biaxial/-, Gemmological Tables (2004) More from other references | |||||||||||||
| Birefringence | 0.045, Gemmological Tables (2004) More from other references | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Greenish-black, Gemmological Tables (2004) More from other references | |||||||||||||
| Transparency | Opaque, Gemmological Tables (2004) More from other references | |||||||||||||
| Crystallography of Aegirine | ||||||||||||||
| Crystal System | Monoclinic, Gemmological Tables (2004) More from other references | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | Aegirine occurs in alkalic igneous rocks and in pegmatites., Gems, Sixth edition (2006) | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Aegirine information at mindat.org | |||||||||||||
| Significant Gem Localities | ||||||||||||||
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