liquid like inclusions
brazilianite
brasilianite crystal from Brazil
brasilianite from Brazil round cut
liquid like inclusions, healing fissures
liquid like inclusions
brazilianite
Detailed sheet
brazilianite
It is its discovery near the town of Conseilheira Pena, in Minas Gerais (Brazil) in 1945 by Pough, which gave its name (Brazil is written Brasil in Brazilian).
CHEMICAL CHARACTERISTICS
NaAl3[PO4]2(OH)4
sodium alumino-phosphate
PHYSICAL CHARACTERISTICS
Main color
yellow
Other colors
brown, green
from pale yellow to yellow-green for carved stones
Color of streak
white
Luster
vitreous
Hardness
5.5 to 0.0
Density
2.95 to 3.00
Cleavage
good
Fracture
conchoidal
easy cleavage
OPTICAL PROPERTIES
Transparency
transparent
Refractive index
1.602 - 1.623
Double refraction
0.019
definite, biaxial (+)
visible double refraction
Yes
Dispersion
0.014(0.008)
Pleochroism
very weak
Number of colors
2
colorless, yellow
Fluorescence
none
Inclusions
frost liquid
CRYSTALS PROPERTIES
in short prisms, they can reach 15 cm ( 6 inches )
crystals system
monoclinic
OTHER INFORMATIONS
Astrological sign
Aries, Sagittarius, Scorpio
APPROACHING GEMS
Exploited
sites
It is found in Brazil in Minas Gerais (Conselheiro Pena) but also in Rio Grande do Norte, Paraiba, Espirito Santo, the United States in New Hampshire, Argentina, Namibia (Erongo), in Canada in the Yukon .
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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