Peruvian Chrysocolla 8mm Round A Grade - 15-16 Inch Blue Peru Opal an opaque silicon dioxide mineral

an opaque silicon dioxide mineral and form of microcrystalline Chalcedony

Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile

Peridot is one of few stones that occurs naturally in only one color

black or brown veins running through it in web-like patterns

Peruvian Chrysocolla 8mm Round A Grade - 15-16 Inch Blue Peru Opal an opaque silicon dioxide mineralChrysocolla, 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.