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
The Knights of Emerald the Emerald Kingdom, seeing as the Emerald Knights are trained and will live there for the majority of their lives. The Emerald Knights are an elite group of warriors and magicians that are trained in the Emerald Kingdom. Children who show off magical capabilities are brought to the castle to be evaluated by a magician, and then deemed either capable or incapable of becoming a knight. From infancy to their teens, children will study under the magician and previous knights as well as warriors. They then will be employed as Squires to the Emerald Knights, helping them and providing for