N. 98110334
Non più disponibile
Offerte chiuse
10 settimane fa
Opale - 6.08 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT REPORT 34087593
Species ..................................................................................... Natural Opal
Variety ....................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ..................................... Marquise, Mixed Cut
Measurements ............................................ 26.39 x 10.14 x 6.17 mm
Carat Weight ............................................................................. 6.08 Carat
Color ............................... Light Orange (Yellowish) + Play of Colors
Transparency ......................................................................... Transparent
Optical Effect ........................................................................ Opaliscence
No indication of treatment.
Chemical Composition .................................................... SiO2·nH2O
Crystal System .................................................................. Amorphous
Mohs Hardness ..................................................................... 5.0 – 6.0
Specific Gravity .................................................. 1.95 – 2.25 g/cm3
Optical Character ........................................... Isotropic, Aggregate
Refractive Index ......................................................... 1.370 – 1.475
N. 98110334
Non più disponibile
Opale - 6.08 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT REPORT 34087593
Species ..................................................................................... Natural Opal
Variety ....................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ..................................... Marquise, Mixed Cut
Measurements ............................................ 26.39 x 10.14 x 6.17 mm
Carat Weight ............................................................................. 6.08 Carat
Color ............................... Light Orange (Yellowish) + Play of Colors
Transparency ......................................................................... Transparent
Optical Effect ........................................................................ Opaliscence
No indication of treatment.
Chemical Composition .................................................... SiO2·nH2O
Crystal System .................................................................. Amorphous
Mohs Hardness ..................................................................... 5.0 – 6.0
Specific Gravity .................................................. 1.95 – 2.25 g/cm3
Optical Character ........................................... Isotropic, Aggregate
Refractive Index ......................................................... 1.370 – 1.475
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