anatase
anatase crystal from Afghanistan
solid type inclusions and color treatment in anatase
Detailed sheet
anatase
Its name comes from the Greek “anastasis” which means stretched, elongated, as the form of its bipyramid crystals. It was discovered in France, in Bourg d’Oisans in Isere, by Schreiber in the late eighteenth century, but it is Haüy who attributed its name in 1801.
CHEMICAL CHARACTERISTICS
TiO2
PHYSICAL CHARACTERISTICS
Main color
brown
Other colors
blue, colourless, yellow, black, red
Color of streak
white, yellow
Luster
adamantine, greasy
Hardness
5.5 to 6.0
Density
3.81 to 3.98
Cleavage
perfect
Fracture
conchoidal, uneven
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
2.488 - 2.565
Double refraction
0.045
definite negative uniaxial
visible double refraction
Yes
Dispersion
0,220
Pleochroism
definite
Number of colors
2
yellow - orange
anatase spectrum system
Fluorescence
none
CRYSTALS PROPERTIES
often in bipyramids or tabulars
crystals system
tetragonal
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
it is an alpine mineral, is found in the Alps, in the Massif de l’Oisans in France, in Switzerland, Italy, Romania, Slovakia, Russia, England, Alaska, Canada, Brazil (byterminal crystals longer than 1 cm ( 0,39 inches aprrox.)), Argentina, and China …
use in jewelry
faceted is an interesting stone for collectors.
Historical
healing properties
It would be a stone in relation to the base chakra, it would be very active in fitness, muscle tone associated with having a beneficial effect on muscle fatigue.
It would also act on the balance of energy, would allow the arbitration between the sense of justice and the will to protect against attacks: rumors, grudges … It would also provide energy for intellectual activities while preserving from physical exhaustion, in order to accept changes.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo consectetur adipiscing elit. Ut elit tellus, luctus nec.
