A stone noted for its color changing abilities. Colors are greenish outdoors, and reddish to violet under artificial light. Alexandrite is extremely rare. Alexandrite is one of the birthstones for June.
A semi-precious quartz gemstone, ranging in color from clear purple to bluish violet. Birthstone for February.
Semi-precious porous stone ranging in color from light blue to sea green. Birthstone for March.
Black Star Sapphire:
A cabochon cut black sapphire that displays a 6 ray star. These stones are always heat treated to improve their color.
Blue Star Sapphire:
A cabochon cut blue sapphire displaying a 3 ray, 6 point star.
A topaz ranging in color from pale blue to bright blue. Most blue topaz is irradiated & heat treated to produce their blue color. Birthstone for December.
A phenomenon seen in various gems when they are cabochon cut, resulting in a bright single line down the center.
These deep royal blue sapphires from Sri Lanka, formally Ceylon, are the finest in the world.
A semi-precious quartz gemstone, ranging in color from a light yellow to a brilliant orange.
A very valued gem composed of pure carbon, the hardest of all known natural substances. Birthstone for April.
One of the most valuable gems, ranging in color from green to bluish-green. Birthstone for May.
A group of semi-precious stones ranging in all colors but blue. Most commonly a deep red. Birthstone for January.
A transparent, violet blue, light or yellow gray mineral. Also know as the water sapphire.
Mother of Pearl:
The material obtained from the inside of the shell of a certain large mollusk.