Australia
5.62 carats
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General Information | |||||||
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Chemical Formula |
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Physical Properties of Gaspéite | |||||||
Mohs Hardness | 4.5 to 5Gemmological Tables (2004) , More from other references | ||||||
Specific Gravity | 3.21Gemmological Tables (2004) , More from other references | ||||||
Cleavage Quality | PerfectGemstones (2009) , | ||||||
Fracture | UnevenGemstones (2009) , | ||||||
Optical Properties of Gaspéite | |||||||
Refractive Index | 1.610 to 1.830Gemmological Tables (2004) , More from other references | ||||||
Optical Character | Uniaxial/-Gemmological Tables (2004) , More from other references | ||||||
Birefringence | 0.220Gemmological Tables (2004) , More from other references | ||||||
Pleochroism | NilGemstones (2009) , | ||||||
Dispersion | NilGemstones (2009) , | ||||||
Colour | |||||||
Colour (General) | Yellowish-green, greenGemmological Tables (2004) , More from other references | ||||||
Transparency | TranslucentGemmological Tables (2004) , More from other references | ||||||
Lustre | VitreousGemstones (2009) , | ||||||
Crystallography of Gaspéite | |||||||
Crystal System | TrigonalGemmological Tables (2004) , More from other references | ||||||
Habit | Nodular concretions or as aggregates of rhombic crystalsGems, Sixth Edition (2006) , More from other references | ||||||
Geological Environment | |||||||
Where found: | Gaspéite is uncommon, occurring as a secondary mineral in a Ni-sulphide vein in metamorphosed siliceous dolostoneGems, Sixth Edition (2006) , | ||||||
Further Information | |||||||
Mineral information: | Gaspéite information at mindat.org | ||||||
Significant Gem Localities | |||||||
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