0.12 cts HACKMANITE UV color buying changing. VS Pakistan. With Certificate of Authenticity

NAME OF THE NATURAL Hackmanite STONE
AVERAGE WEIGHT 0.12 carats
SIZE Fantasy
DIMENSIONS 4.5 x 3.1 x 2.0 buying mm
COLOR Changing under UV
CLARTE VS
LUSTRE Excellent
ORIGIN Pakistan
DURATION 5.5-6
DENSITY 2.24 - 2.33
REFRACTION INDEX 1.48
TREATMENT Unheated
QUANTITE 1 piece (s)
REF 20102562A