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, 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.
Australia
Not Available
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Transparent, Translucent, Transparent to translucent
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.