2.33 cts CALCEDOINE Africa, with store Certificate of Authenticity

store NAME OF NATURAL Chalcedony STONE
AVERAGE WEIGHT 2.33 carats
OVAL SIZE
DIMENSIONS 8.5 x 10.6 x 4.7 mm
COLOR Blue Lavender
TRANSLUCENT CLARTE
GOOD CHANDELIER
ORIGIN Africa
DURATION 6.5-7
DENSITY 2.58 - 2.64
REFRACTION INDEX 1.530 - 1.540
TREATMENT Unheated
QUANTITY 1 piece(s)
REFERENCE 20121308A