Boulder Opal

Boulder Opal

Boulder Opal is unique to western Queensland, Australia.
Cacoar Gold

Cacoar Gold

Carcoar is a historic town in the Central West region of New South Wales, Australia, in Blayney Shire.
Agate

Agate

Agate is a cryptocrystalline variety of silica, characterised by its fineness of grain and brightness of colour.