Blue Aventurine 14mm Faceted Star - 15-16 Inch HoleMatte Like all Opals

Like all Opals

150pc - 2x2mm

It's usually found in a light pink color with white “flower” inclusions

its physical properties vary: its specific gravity may lie between 2

Blue Aventurine 14mm Faceted Star - 15-16 Inch HoleMatte Like all OpalsAventurine is a form of quartz, characterised by its translucency and the presence of platy mineral inclusions that give a shimmering or glistening effect termed aventurescence. The most common colour of aventurine is green, but it may also be orange, brown, yellow, blue, or gray. Chrome bearing fuchsite (a variety of muscovite mica) is the classic inclusion, and gives a silvery green or blue sheen. Oranges and browns are attributed to hematite or