Beryl — Be₃Al₂(SiO₃)₆ is a mineral better known to most people as emerald, aquamarine or heliodor. It is composed of beryllium aluminum silicate, which is colorless when pure, but takes on a variey of colors from various impurities.

• Emerald — is the name for green beryl when it is used as a gemstone, and is the most commonly known of the beryl varieties.
• Aquamarine — pale blue beryl is commonly known as aquamarine. The name "beryl" originally came from the Greek word beryllos, referring to an aqua colored gemstone
• Morganite — pink beryl
• Heliodor — yellow-green beryl
• Maxixe — deep blue beryl