Gemstone usually found in. For example, diamonds, which have a cubic crystal system, are often found as octahedrons. Gemstones are classified into different "groups", "species", and "varieties". For example, ruby is the red variety of the species corundum, while any other color of corundum is considered sapphire. Other examples are the emerald (green), aquamarine (blue), red beryl (red), goshenite (colorless), heliodor (yellow) and morganite (pink), which are all varieties of the mineral species beryl. Gems are characterized in terms of refractive index, dispersion, specific gravity, hardness, cleavage, fracture and luster. They may exhibit pleochroism or double refraction. They may have luminescence
Aquamarine (film) love is real, and the girls receive their wish. They decide to not use it to keep Hailey from moving away, and instead, they part ways with Aquamarine, with promises of Aquamarine visiting them and Raymond and loving each other forever. The film was released on DVD on June 13, 2006, and on Blu-ray on March 6, 2012. "Aquamarine" received mixed reviews. It holds a 51% rating on Rotten Tomatoes, with the consensus stating, "A lighthearted, gum-smacking, boy-crazy film with a hopeful message for young girls." On Metacritic, which uses an average of critics' reviews, the film holds 51/100, indicating