Mini Geode: Obsidian

Multifaceted quartz crystal that are dyed and electroplated or dipped in acid to create a metallic or iridescent layer. They range in length from 15mm (3/8inch) to 25mm (1 inch). They tend to be thicker the longer they are. These crystals are not suitable for cutting and should be used whole as embellishments in mosaics. Sold in 10g bags that contain between 4-7 crystals depending on size