Green and pink tourmaline hexagonal prisms, set of 7, Approximately 4mm wide, 8mm long - Color: Green and pink tourmaline - Shape: Hexagonal prism - Quantity: Set of 7 Thank you for viewing. I purchased these from Morita Mayumi's online shop after reading Morita-san's Crystal Magic. I use these for heart-opening work. They were about 12,000 yen for 8, but I lost one. I'm letting them go to declutter. I will clear them with sage before sending. If you purchase them with the book, I will offer a further discount, so please let me know.