Pictures Of Sapphires Gems

It has about 100 pages of basic gemstone information and about 200 pages dedicated to photos and descriptions of over 100 gems and gem materials.
Pictures of sapphires gems. The chemical formula of sapphire is α al 2 o 3. Fine colored sapphire with a deep blue color and excellent transparency can reach several thousand dollars a carat the blue variety is most often used in jewelry but the yellow pink and orange fancies have recently become very popular. Though most people think of sapphires as being blue the gem can be found in almost any color due to the presence of trace amounts of metals such as iron chromium and titanium. Fancy sapphires are gem corundums of any color other than red blue or colorless.
The brown and green gems from tanzania are enstatites as are the brownish green stones from sri lanka. While sapphires are often blue they can be colorless or any other color. Colors are created by trace amounts of iron copper titanium chromium or magnesium. Pure corundum is colorless aluminum oxide al 2 o 3.
Sapphire is any gem quality specimen of the aluminum oxide mineral corundum that is not red. Green and brown gems from india and brazil tend to be in the bronzite composition range. 100 gems photos of over 100 beautiful gems ranging from the popular to the obscure. Garnet is best known as a red gemstone.
Sapphire is gem quality corundum that is found in any color other than red ruby. It occurs in any color and has many industrial uses. Most gem enstatites have indices in the range 1 663 1 673. Sapphire is one of the most popular gemstones and is used extensively in jewelry.