Colombia, Color: Red, Orangey Red, Orange, Yellow, color shift to Green, Hardness: 6 6.5, Refractive index: 1.55 1.56, Density: 2.66 2.70, Chemical composition: (Na, Ca)(Si, Al)4O8, Crystal structure: triclinic, Origins: Congo, Tibet.
Brazil, Madagascar, Mozambique, Pakistan, Russia, India, Sri Lanka, China, Color: blue to greenish blue, Hardness: 7.5, Refractive index: 1.57 1.59, Density: 2.67 2.75, Chemical composition: Be3Al2(SiO3)6, Crystal structure: hexagonal, Origins: Brazil, Nigeria, Madagascar, Mozambique, Pakistan, Russia, India, Sri Lanka, China. Aquamarine is a light blue or light greenish-blue variety of beryl, with darker stones being more expensive. Heat enhancement is often applied to enhance the blue color of aquamarines, but only clean pieces can be heated.
Red, Yellow, White, gray, Green, Yellow, Red, Colorless, gray, Yellow, Green, White
Blue
Not Available
Pisces, Aquarius, Pisces, Aquarius, Pisces, Aquarius
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Not Available
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Transparent to translucent