TANZANITE HUGE NATURAL CRYSTAL 21.75cts #TANZ002

WEIGHT: 21.75cts
SIZE: 19.5x11x10mm
GEM TYPE: Tanzanite (HEAT-TREATED)
SHAPE: natural crystal
ORIGIN: Merelani,Lalatema mountains,Arusha region, Tanzania
ORIGIN: HARDNESS: 6-7