Roger Weller, geology instructor
email@example.com copyright 2012-R.Weller
Australian fire opal-Lightning Ridge-1
Opal is 6 inches by 8 inches
and has a mass of 1.2 kilograms.
Estimated value is $85,000.
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Opals courtesy of Opal Network
Specializing in precious opal and opal fossils
P.O. Box 1709, Lightning Ridge 2834 NSW, Australia