Mythical Properties
Opal has symbolised hope, innocence and purity in the past, but it is also regarded as unlucky by some due to its association with the Black Death and also its supposed ability to bring about change. The Opal is also supposedly able to take on the metaphysical properties of other stones dependant upon the colours it exhibited.
Tourmaline has good electrical conductivity making them popular therapeutic stones. Because of this conductivity they are said to have an invigorating and fortifying effect, it is also believed to help balance both sides of the brain. Tourmaline is supposed to posses many qualities but are mostly dictated by colour.