Green Tourmaline on Quartz Matrix - Unique #1 Quartz is a universal stone that amplifies the energies of other crystals. The specimen for sale has an abundance of green tourmaline crystal rods growing out of the quartz. There are also indents and holes where previous crystal rods used to grow. The green tourmaline is fairly brittle, thus the piece should be handled with much care. The piece is well-rounded and the quartz itself is white and grey with a reddish coloured area. This is a very nice piece to have for display and collecting. Note: This product is fragile and should be handled with care.