it lightens because of further weathering and becomes Malachite
Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile
Morganite gets its pink hue from the presence of manganese or cesium in the stone
Porcelain Jasper is a brecciated (broken) Jasper originally found on a gold claim high in the Sierra Madre mountains of Mexico
Peridot is one of few stones that occurs naturally in only one color
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.