Parcel of Koroit opal pieces of variety. Some are nut half-cuts, boulder slices all with something to show for, pretty patterns, and some hidden opal under the layers.
Material is priced based on visual quality.
The Ruler is in millimetres.
Measurements are rounded down and approximated.
Colour: Please note the camera has been white-balanced to give more accurate colours. NO Photo Shopped enhancement.