Green Tourmaline on Quartz Matrix - Unique #4 Green tourmaline is a stone of strength, courage and vitality. It grows in many shapes and sizes and is valued for its spectacular green colour. The specimen for sale has thick green tourmaline rods growing in a quartz matrix. The quartz itself is white grey with an amorphous shape, giving the piece a unique appearance. There are also several holes where green tourmaline rods used to grow. The green tourmaline are very brittle and should be handled with care. Note: This product is fragile and should be handled with care.