Peruvian Chrysocolla 8mm Round A Grade - 15-16 Inch Blue Peru Opal it lightens because of further

it lightens because of further weathering and becomes Malachite

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

an opaque silicon dioxide mineral and form of microcrystalline Chalcedony

It is opaque

It forms when Quartz and Feldspar crystallize in radial aggregates within other silica-rich stones

Peruvian Chrysocolla 8mm Round A Grade - 15-16 Inch Blue Peru Opal it lightens because of furtherChrysocolla, 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.