Polychrome Jasper 12mm Round - 15-16 Inch Dumorterite is solid clear Quartz crystals

is solid clear Quartz crystals that get its bluish green color from Actinolite and Chlorite

Blue Chalcedony is a naturally occurring soft blue translucent stone

Yellow Opal is transparent to opaque

Goldstone is a manmade material

even when polished

Polychrome Jasper 12mm Round - 15-16 Inch Dumorterite is solid clear Quartz crystalsPolychrome Jasper is considered one of the rarest Jaspers in the world. First discovered in 2006, it is exclusively sourced from a single small deposit in the desert of Madagascar. It is opaque and occurs in a wide variety of colors, with banding that creates vibrant landscape patterns throughout the stone.