October - Opal, Tourmaline

October's 2 birthstones are the Opal and Tourmaline gemstones.

The Opal is a fine precious stone with fantastic colour configurations. The internal structure makes it diffract lighting and different colours formulate. The Tourmaline gemstone is a crystalline boron silicate mineral compound. The gemstone comes in a range of colours, some stones are even multicoloured, however pink is the most common colour associated with the Tourmaline gemstone.