Chrysocolla 4mm Microfaceted Round - 15-16 Inch 15x18-20x25mm iron or manganese impurities within

iron or manganese impurities within the stone

The cabochon you received will not be exactly what is shown in the image

and crystal formations on the collars are natural and unenhanced in any way

Quartz is the most common mineral found on the face of the earth and occurs in all environments and all rock types - sedimentary

Chrysocolla 4mm Microfaceted Round - 15-16 Inch 15x18-20x25mm iron or manganese impurities withinChrysocolla, 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.