Natural Ruby
Weight: 6.40 ct
Shape and Cute: Octagon Mixed
Dimension: 12.50*8.70*5.80 mm
Color: Pinkish Red
Lustre: Vitreous
Transparency: Transparent
Optic Character and figure: Anisotropic Double Refrective (DR)
Refrective Index: 1.77
Specific Gravity: 4
Microscopic View: Crystal
Hardness: 9
Treatment: Unheated, Untreated
