These doublet opals presents themselves in different shapes and colours. They are mostly red and green, which are more valuable than other colours. Their shapes vary as well, some are in triangle, while some are in pear.
- Smooth surfaces, and thus light-reflecting
- Suitable for almost all kinds of jewellery, including necklaces, rings etc.
- Besides making good jewellery, these colourful opals can serve as nice home decorations