Peruvian Chrysocolla 10mm Round A Grade - 15-16 Inch Noreena Jasper who performed early research into

who performed early research into the many optical properties of mica

This Phantom Quartz is gray

the third to hardest common natural gemstone

including lazurite

red and magenta hues

Peruvian Chrysocolla 10mm Round A Grade - 15-16 Inch Noreena Jasper who performed early research intoChrysocolla, 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.