Gem Silica Small 3pc Slab R0086 but those varieties are transparent

but those varieties are transparent

It is often thought of as an all-black stone

This variation mixes Blue Tiger Eye with Yellow Tiger Eye to bring out the best of each of the two stones

where it gets its name

often called the "Super Seven" or "Melody Stone" contains Amethyst

Gem Silica Small 3pc Slab R0086 but those varieties are transparentGem Silica is the rarest and highest form of Chrysocolla, crystallized and infused in Quartz. Gem Silica occurs in a vivid blue green color due to the presence of copper in the stone and is free of inclusions of other minerals. It was named and first described by the Greek philosopher and botanist Theosphrastus in 315 BCE.