Brazilianite
Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil
1.00 carats
© Rarestone.com
Brazilianite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Brazilianite Gemstones by Size
This table shows distribution of Brazilianite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:0.46 cts
Heaviest:9.11 cts
Average:2.92 cts
Total photos:14
Do you have a larger Brazilianite? Why not upload a photo?
| General Information | ||||||||||||||||||||||||||||||||||||||||||||||
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| Chemical Formula |
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| Brazilianite Treatments | ||||||||||||||||||||||||||||||||||||||||||||||
| This material has been reported to fade (Sinkankas, 1972) and to lose its greenish color completely on being heated above 140°C; irradiation did not reverse this change (Requardt et al, 1982) - Nassau (1984) | ||||||||||||||||||||||||||||||||||||||||||||||
| Physical Properties of Brazilianite | ||||||||||||||||||||||||||||||||||||||||||||||
| Mohs Hardness | 5.5, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Specific Gravity | 2.91 to 3.00, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Tenacity | Brittle, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Cleavage Quality | Perfect, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Fracture | Conchoidal, Gems, Sixth Edition (2006) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Refractive Index | 1.602 to 1.625, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Optical Character | Biaxial/+, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Birefringence | 0.018 to 0.021, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Pleochroism | The dichroism is insignificant, Gems, Sixth Edition (2006) More from other references | |||||||||||||||||||||||||||||||||||||||||||||
| Dispersion |
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