
Opal Specimens

by Science Photo Library
Title
Opal Specimens
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Opal specimens. Cut and polished forms of opals. Opals are a form of hydrated silica glass. They are not truly crystalline, and are classified as mineraloids. These specimens are from Queensland, Australia.
Uploaded
September 17th, 2018
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