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 | 6Gemmological Tables (2004) , More from other references | |||||||||||||
Specific Gravity | 3.5Gemmological Tables (2004) , More from other references | |||||||||||||
Cleavage Quality | DistinctGemmological Tables (2004) , | |||||||||||||
Optical Properties of Aegirine | ||||||||||||||
Refractive Index | 1.760 to 1.805Gemmological Tables (2004) , More from other references | |||||||||||||
Optical Character | Biaxial/-Gemmological Tables (2004) , More from other references | |||||||||||||
Birefringence | 0.045Gemmological Tables (2004) , More from other references | |||||||||||||
Colour | ||||||||||||||
Colour (General) | Greenish-blackGemmological Tables (2004) , More from other references | |||||||||||||
Transparency | OpaqueGemmological Tables (2004) , More from other references | |||||||||||||
Crystallography of Aegirine | ||||||||||||||
Crystal System | MonoclinicGemmological 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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