Peruvian Chrysocolla 8mm Round - 15-16 Inch featured_08152024 discovered a way to improve

discovered a way to improve the quality of turquoise in the 1980's

and the green color is caused by a reaction in the stone when the chrome is introduced to water

and as a source of colorful mother-of-pearl

The inner layer of the shell is composed of nacre (mother-of-pearl)

Peruvian Chrysocolla 8mm Round - 15-16 Inch featured_08152024 discovered a way to improveChrysocolla, a hydrous copper silicate, is often mistaken for turquoise due to its rich blues and blue to greens. It often also occurs with colors of rust, copper, black, white and reddish brown in speckles, veins and brecciated patterns. It is a very soft stone typically found near copper deposits. Chrysocolla was first described by Theosphrastus, a Greek philosopher and botanist who also named the stone, in 315 BCE.