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) he knows. Aquamarine grants him a wish for helping her out. When Cecilia shows up with her father, Storm Banks (Shaun Micallef), a news and weather reporter to expose Aquamarine, the rescue team just finds a toy dolphin in the water tower and the whole crowd, including the rescue workers, all laugh at Cecilia and Storm. Humiliated, outraged and knowing that his career may now be ruined, Storm takes Cecilia's car away from her—permanently as a punishment and tells her that when she walks to school every day, she can think about why she needs to have so much attention,