This specimen is a wonderful example how Pipe Opal is formed in sandstone with beautiful electric purple and mint green natural Opal colours.
Pipe Opal and Wood Replacement Opal is a term to describe natural opals that forms in pipe/tube - like structures. Usually in sandstone. It is believed to be wood branch, tree roots or leaf matter that has become Opalized
The Pipe Opal Specimen has been expertly polished to keep its natural shape and keep as much Opal as possible.
This Pipe Opal was mined in Western Queensland near the town of Quilpie.
A certificate of authenticity stating that the opal in the specimen is a Natural Solid Australian Opal is included.
Weight 35 grms
Base Length 25 mm
Base Width 23 mm
Total Height 40 mm
Code SP38
