Boulder Opal from Central Queensland.
Seams of opal running across and through the faces of three pieces of ironstone.
There is also a piece of koroit material that has been thrown into the parcel.
The pieces are wet to bring out their colours.
The Ruler is measured in millimetres.
Measurements are generally rounded down and approximate.
Colour: Please note the camera has been white-balanced to give truer colours NO Photo Shopped enhancement.