Gemological Institute jewelry onlineAn Early Byzantine Engraved Almandine from India
Found in lava, meteorites, and deep in the earths mantle, yellowgreen peridot is the extreme gem.
Separating GlassFilled Rubies Using the DiamondView
Citrine is the transparent, pale yellow to brownish orange variety of quartz.
Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
Diamonds are among natures most precious and beautiful creations.
Dazzling brilliance. Captivating . These are the planets most valued gems.