Turmalin - 11.03 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Nr. 85050105
Nicht mehr verfügbar
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Vor 6 h
Rubin - 2.24 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT Certificate N° 15668937
No indication of heating.
Species ........................................................................ Natural Corundum
Variety ..................................................................................................... Ruby
DESCRIPTION
Shape & Cutting Style ................................................ Pear, Mixed Cut
Measurements ................................................. 9.70 x 6.51 x 4.20 mm
Carat Weight ............................................................................. 2.24 Carat
Color ............................................................................. Deep Purplish Red
Transparency .................................. Semi-transparent - Translucent
COMMENTS
No indication of heating.
MAIN PROPERTIES OF RUBY
Chemical Composition .................................................................. Al2O3
Crystal System ........................................................................... Trigonal
Mohs Hardness .................................................................................... 9.0
Specific Gravity ...................................................... 3.97 - 4.10 g/cm3
Optical Character ..................................................................... UniaxialRefractive Index ............................................................. 1.757 - 1.780
Birefringence ................................................................... 0.008 - 0.010
Nr. 85050105
Nicht mehr verfügbar
Rubin - 2.24 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT Certificate N° 15668937
No indication of heating.
Species ........................................................................ Natural Corundum
Variety ..................................................................................................... Ruby
DESCRIPTION
Shape & Cutting Style ................................................ Pear, Mixed Cut
Measurements ................................................. 9.70 x 6.51 x 4.20 mm
Carat Weight ............................................................................. 2.24 Carat
Color ............................................................................. Deep Purplish Red
Transparency .................................. Semi-transparent - Translucent
COMMENTS
No indication of heating.
MAIN PROPERTIES OF RUBY
Chemical Composition .................................................................. Al2O3
Crystal System ........................................................................... Trigonal
Mohs Hardness .................................................................................... 9.0
Specific Gravity ...................................................... 3.97 - 4.10 g/cm3
Optical Character ..................................................................... UniaxialRefractive Index ............................................................. 1.757 - 1.780
Birefringence ................................................................... 0.008 - 0.010
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