https://youtu.be/w1hbuu1fnwk Length: 40cm Package size: 0.85*0.65cm Bright and colorful Australian opal Gemstones covered with bright green Flashing a twilight glow at the top Temperament small single product This opal cuts slightly Non-orthogonal Selected single gemstone production Not sold Maintenance related matters: This is a stable quality Australian protein. It is usually stored in a zippered bag and placed in a cool place where it is not exposed to the sun. Use a mild soap and other detergent. After washing, wrap it in a soft tissue. The opal is a delicate and precious gemstone. It has a low hardness and is easily cracked when it collides. It is also resistant to chemicals. Please do not use silver-washed water in the stone table. Always avoid high temperature environment and acid and alkali chemicals.