There are many types of Opal and a wide variety of names , here are just a few names:
**Fire Opal is a term used for colourful transparent to translucent opal that has a bright fire-like background colour of yellow, orange or red.
**Blue Opal mined in the country of Peru in South America, is a very desirable gem because of its beautiful blue body colour. Pink Opal occurs in different shades of pink , also mined in Peru.
**Coober Pedy is a small town in South Australia that was first settled in 1916 when mining for opals began. Coober Pedy is famous for producing white base-colour Opals and production has continued uninterrupted since 1916.
It is believed to encourage emotional stability, strengthens memory.