Delightful Bismuth Crystals from Peru and grown in New Zealand. Bismuth is silver and the rainbow colours came from oxidisation. These are massively popular by kids and adults alike.
Bismuth can help you to achieve your goals, especially when working as part of a team. It can also help with visualisation while shamanic journeying.
You can read more about this metal and element called bismuth on wikipedia.
Dimensions are for the larger of the rainbow bismuth crystals. Only left is still available.