Sapphire — specimen 0223, photo © NMNHS
Madagascar, Ihorombe, Ilakaka
Weight: 0.36 ct; size: 5.50 | 3.48 | 2.43 mm; shape: pear; colour: light bluish purple; strong; clarity: eye clean; cut: good; treatment: heating.
Clean specimen; good mixed style cut.
More information from ‘Classification’
Most commonly refers to a blue gem variety of corundum, but other coloured varieties of corundum are also described as sapphire, except the natural red.