Opals
The fire of the carbuncle, the brilliant purple of the amethyst, the sea green colours of emerald all shining together in incredible union". Pliny the Elder, 23-79 AD. Roman historian and author of the world's first encyclopedia on Opals.
Opal is one of birthstones for October, sharing the spotlight with Tourmaline. The famous French actress Sarah Bernhardt was born in October and never considered herself well-dressed unless she was wearing opals.