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
Misamis Occidental Aquamarine Park air either via Labo Airport in nearby Ozamiz City (22 minutes away) or Dipolog Airport (2 hours and 30 minutes away) which serves the nearby Zamboanga del Norte province. Both airports have domestic flights to and from Manila and Cebu. There are also direct transfer flights via the Manila's Ninoy Aquino International Airport that readily connect the park to other destinations in the world. Misamis Occidental Aquamarine Park Misamis Occidental Aquamarine Park is a tropical resort and a prominent habitat for various marine mammals in Mindanao, Philippines. Located in the boundaries of municipalities of Tudela, Misamis Occidental and Sinacaban, Misamis