FA-AVEN026GR-003-189

Certificate : FA-AVEN026GR-003-189
Gem Type: Natural Aventurine
Weight: 0.450 Carat
Shape: round
Cut: mixed
Size: 5.0 x 5.0 x 2.9 mm.
Color:  green
Transparency: Transluscent
Treatment: no indications of heating, no indications of other treatments
Birefringence : 0.007 to 0.010
Dispersion : none
Luster : Vitreous
Hardness : 7 to 6.5
Refractive index : 1.544 to 1.553 
Specific gravity : 2.64 to 2.69
Optical phenomenon : Aventurescence