Baddeleyite
Baddeleyite is named after Joseph Baddeley, who found the original specimens in Sri Lanka in 1890.
Baddeleyite forms transparent to translucent, black, brown, yellow or colourless crystals.
Baddeleyite has strong dispersion and hight refractive indices.
Baddeleyite forms transparent to translucent, black, brown, yellow or colourless crystals.
Baddeleyite has strong dispersion and hight refractive indices.
| General Information | |||||||||||
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| Chemical Formula |
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| Physical Properties of Baddeleyite | |||||||||||
| Mohs Hardness | 6.5, Gemstones (2009) | ||||||||||
| Specific Gravity | 5.5 to 6.0, Gemstones (2009) | ||||||||||
| Cleavage Quality | Distinct, Gemstones (2009) | ||||||||||
| Fracture | Conchoidal, Gemstones (2009) | ||||||||||
| Optical Properties of Baddeleyite | |||||||||||
| Refractive Index | 2.13 to 2.20, Gemstones (2009) | ||||||||||
| Optical Character | Biaxial/-, Gemstones (2009) | ||||||||||
| Birefringence | 0.07, Gemstones (2009) | ||||||||||
| Pleochroism | Distinct, Gemstones (2009) | ||||||||||
| Dispersion | Strong, Gemstones (2009) | ||||||||||
| Colour | |||||||||||
| Colour (General) | Black, brown, colourless, yellow, Gemstones (2009) | ||||||||||
| Transparency | Transparent,Translucent, Gemstones (2009) | ||||||||||
| Lustre | Adamantine,Vitreous, Gemstones (2009) | ||||||||||
| Fluorescence & other light emissions | |||||||||||
| Fluorescence (Short Wave UV) | Golden-brown specimens fluoresce strong ochre-yellow., Gemstones (2009) | ||||||||||
| Fluorescence (Long-Wave UV) | Golden-brown specimens fluoresce intense ochre yellow., Gemstones (2009) | ||||||||||
| Crystallography of Baddeleyite | |||||||||||
| Crystal System | Monoclinic, Gemstones (2009) | ||||||||||
| Habit | Tabular, Gemstones (2009) | ||||||||||
| Geological Environment | |||||||||||
| Where found: | It is usually embedded in the carbonate-rich rock of intrusive igneous pipes (carbonatites)., Gemstones (2009) | ||||||||||
| Further Information | |||||||||||
| Mineral information: | Baddeleyite information at mindat.org | ||||||||||
| Significant Gem Localities | |||||||||||
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