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Gemstones, Minerals & Fossils
Gemstones and Minerals
North Wollongong Beach fossicking
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<blockquote data-quote="Gregyem" data-source="post: 664984" data-attributes="member: 23249"><p>As a young fella, I was given a few nice chunks of petrified wood collected from Wollongong beach by a guy from a Sydney gem club. He told me two things of interest - the rocks won't polish well because of the long period in saltwater leaving micro cavities and there is an offshore reef full of petrified wood which delivers some up to the beach in big storms. On a separate note, I think vesicular basalt is pretty common and with the right conditions, chalcedony can form in the bubble cavities</p></blockquote><p></p>
[QUOTE="Gregyem, post: 664984, member: 23249"] As a young fella, I was given a few nice chunks of petrified wood collected from Wollongong beach by a guy from a Sydney gem club. He told me two things of interest - the rocks won't polish well because of the long period in saltwater leaving micro cavities and there is an offshore reef full of petrified wood which delivers some up to the beach in big storms. On a separate note, I think vesicular basalt is pretty common and with the right conditions, chalcedony can form in the bubble cavities [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
North Wollongong Beach fossicking
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