Years ago I visited a Craft Fair and discovered in the Paper Decoration / Paper Crafting Area a super great new Material.
Maybe some of you know it.
But here in the german Cosplay Scene, and perhaps also for many other Countries it's really a Novelty.

It can be used for Paper Decoration, for Gemstones, Paint and much more.
In this Tutorial I made a kind of Decoration for Costumes/ Setting for Stones.

Here are two Shops I found at the Internet:
german shop
uk shop (only Powder)

FOR MAKING GEMSTONES PLEASE READ THE LAST TIP