Portions of Cass County were used to created Gordon County in 1850 (Ga. Laws 1849-50, p. 124). Georgia's 87th county was named for Pres. Andrew Jackson's Secretary of War, Gen. Lewis Cass of Michigan.
These different types of sapphires and their colors are because of traces of titanium, chromium, vanadium and iron found in these gemstones.hese are the most popular of all sapphires and sapphires are synonymous with those having the blue color. That is why these are often known only as sapphires without any preface for its color. The finest of these come from regions of Mogok in Burma, Sri Lanka and also the Kashmir area in India.
Corundum crystals of gemstone quality in any color other than red are called sapphires, while red varieties are called rubies. These are among the most brilliant and hard gemstones; only diamonds are harder. The intense blue of the sapphire is caused by the addition of titanium and iron to the mineral corundum. Sapphires are described by their colors (blue, green, and yellow), with the most sought-after color being cornflower blue. The color is very stable, even when exposed to light and heat.