Colorless Tourmaline, also known as white or Achroite Tourmaline is the name given to the clear or colorless version of Tourmaline. The word achroite ...
Agate Chalcedony differs from other Chalcedony in that it often has distinct banding. In fact some slices of Agate may appear to have banding similar...
Albite is a member of the feldspar species as is predominantly a white or whitish mineral. A fine Albite gem will be colorless (mostly), or colored si...
Alexandrite is one of the more rare varieties of color changing chrysoberyl that changes color depending on the type of light that hits it. In dayligh...
Almandine or Almandite is a member of the Garnet group, and is associated with the planet Pluto. Low quality pyrope is often cataloged and sold as Alm...
Amazonite is a blue-green variety of microcline feldspar, named after the Amazon River (though ironically not found there). Its distinctive color come...
Amber is one of the few organic gemstones that exist. Amber is made when tree resin is fossilized. Most people I speak with directly think that its sa...
Amblygonite is a not so popular gem whose greek name means crooked. It comes in green, clear, yellow, and even purple. Older cut specimens may have sl...
Amethyst is the most coveted stone in the quartz group, and it is sometimes confused with beryl. It is usually found layered with milky quartz, and it...
The gem Andalusite is a gemstone composed of Lead Sulphate giving it a yellowish hew with a light tint of a rusty red color. Its named after the city ...