Green Aventurine Crystal Bracelet Bead Size:8 mm It is microcrystalline quartz coloured

It is microcrystalline quartz coloured by iron oxide - the same element that rusts orange

pyrite throws a spark

With a tealight set in it

8-cineole and camphor open first

the blue of the royal tombs of Ur

Green Aventurine Crystal Bracelet Bead Size:8 mm It is microcrystalline quartz colouredAventurine green quartz with a sparkle that comes from inside, and the only stone here named after an accident: Murano glassworkers spilled copper into molten glass, and the stone took the glasss name. The sparkle is aventurescence light glancing off plates of fuchsite, a chromium mica, scattered through quartzite. The same chromium gives the green, pale sage to deep forest, and the mica lies differently in every bead. It is sometimes traded as