3.77 ct Tanzaniet ALGT gecertificeerd
ALGT
Tanzanite
10.07 x 7.90 x 6.41 mm
3.77 ct
Nieuw
€ 1,995.00
3.77 karaat ALGT gecertificeerd blauwpaars ovaal geslepen natuurlijke Tanzaniet.
Groep ................................................................................ Natural Zoisite
Soort ...................................................................................Tanzanite
Vorm.................................................................................. Ovaal geslepen
Kroonvorm ..................................................................... Aangepast briljant slijpsel
Paviljoen vorm .............................................................. Aangepast briljant slijpsel
Transparantie ................................................................. Transparant
Kleur................................................................................... blauw paars
Soort.................................................................................. Zoisiet
Soortnaam........................................................................Tanzaniet
Afmetingen (Lang x Breed x Hoogte): .................10.07 x 7.90 x 6.41 mm
Hardheid: ........................................................................ 6-7
MAIN PROPERTIES OF TANZANITE
Chemical Composition ......................... Ca2Al3(SiO4)(Si2O7)(O,OH)
Crystal System ............................................................... Orthorhombic
Mohs Hardness ......................................................................... 6.5 - 7.0
Specific Gravity ...................................................... 3.33 - 3.36 g/cm3
Optical Character ....................................................................... Biaxial+
Refractive Index ............................................................. 1.690 - 1.702
Birefringence ................................................................... 0.006 - 0.012
