This degree offers the highest level of employment relevance but the lowest level of transferability. The AS is an Associate of Science. It is usually intended to be career field preparation in a field that does have a related bachelor's degree. The AS in Nursing or Business Administration is an example. Some graduates will go right into the workforce and some will go on for more education.
Opal is one of the world's most beautiful and precious gemstones, predominantly found in Australia. It is one of only six types of precious gemstones found on planet earth, sharing prestigious company with diamonds, rubies, sapphires, emeralds, and pearls.ver 95% of the world's precious opal comes from Australia, and opal is Australia's national gemstone. While several different types of opal are present in nature, there are two main varieties-precious opal and common opal or potch. Precious opals exhibit the characteristic play-of-colour, and is comparatively rare.
Photo: Opalite. Opal is a hydrous silicon dioxide mineraloid (it has no crystalline structure, and between 10% to 20% water content). There are 2 groups of Opal: Precious Opal (play of colour) and Common Opal (no play of colour). Light diffracts into a spectrum of colours through ordered micro-silica spheres within Precious Opal.