16.4cts - Lightning Ridge, Fossil Rough Opal Specimen. Australian Opal

5 x fully opalised Natural fossil replacement, rough black and crystal opal specimen pieces

These can be used as cutting material in lapidary, but also highly appealing to opalised fossil collectors (aka fossil replacement opal) and rockhounds. This rough opal parcel has it all.

Weight -16.4 cts 

Quantity -5 x pieces

Dimensions -10 x 3 mm (smallest)

                      - 32 x 4 mm ( largest)

Area of mine -Lightning Ridge, outback, New South Wales, Australian Opal Fields

Formation -opalised fossil (wood/vegetation)

Colours - mixed crystal quality colouration

Body tone -Crystal and black opal