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.
The most valuable color of Sapphire is a cornflower blue color, known as Kashmir Sapphire or Cornflower Blue Sapphire. Another extremely valuable Sapphire form is the very rare, orange-pink Padparadschah. An exotic type of sapphire, known as Color Changing Sapphire, displays a different color depending on its lighting. In natural light, Color Changing Sapphire is blue, but in artificial light, it is violet. (This effect is the same phenomenon well-known in the gemstone Alexandrite).