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Description: | Mineral hand specimen of Opal associated with Quartz. Unknown provenance | Publisher: | Tyne & Wear Archives & Museums | Subjects: | Classification: Opal | Temporal: | Permian period (290 - 248 million years ago) | Source: | Tyne & Wear Archives & Museums | Identifier: | http://www.twmuseums.org.uk/geofinder/se... | Go to resource |
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