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Gemstones, Minerals & Fossils
Gemstones and Minerals
Chalcedonized petrifed wood from volcanic area
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<blockquote data-quote="Lefty" data-source="post: 291423" data-attributes="member: 2976"><p>A successful day at Riverslea - I picked up at least 50 kg of material, most of which is petrified wood. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>The temperature was no higher than average for this time of year - slightly lower even - but standing on a gravel field that absorbs and then radiates the heat of blazing sun, the heat on the gravel banks was <strong>oppressive.</strong> Quite draining actually. And the flies were <em>unbelievable!</em> I put an anti-fly head net on but they make it difficult to see the rocks on the ground clearly - I think they need a clear plastic window at eye level. Had to smother my head in Bushman, they still buzzed around my head in a cloud of hundreds but at least they wouldn't land.</p><p></p><p>The water in the river looked very inviting - but no way was I going to be croc bait! Just had to suffer the heat.</p><p></p><p>Heaps of wood, very little of the chalcedony. I think other rockhounds in the region have the same idea as me and are hitting the gravel banks hard before they're gone and while the wood was always more abundant, the brightly coloured chalcedony stands out and is quickly picked up. I did find a few pieces though.</p><p></p><p>Hopefully, a not insignificant amount of the wood will turn out to have coloured chalcedony and swirls of banded agate inside. Found a few small pieces that I'd be tempted to call opalized wood but I think <em>agetized</em> would be more accurate, veins of white and blue opalescent material through it.</p><p></p><p>Will post some pics at a later date - 50kg is a lot of stuff to sort through!</p></blockquote><p></p>
[QUOTE="Lefty, post: 291423, member: 2976"] A successful day at Riverslea - I picked up at least 50 kg of material, most of which is petrified wood. :) The temperature was no higher than average for this time of year - slightly lower even - but standing on a gravel field that absorbs and then radiates the heat of blazing sun, the heat on the gravel banks was [b]oppressive.[/b] Quite draining actually. And the flies were [i]unbelievable![/i] I put an anti-fly head net on but they make it difficult to see the rocks on the ground clearly - I think they need a clear plastic window at eye level. Had to smother my head in Bushman, they still buzzed around my head in a cloud of hundreds but at least they wouldn't land. The water in the river looked very inviting - but no way was I going to be croc bait! Just had to suffer the heat. Heaps of wood, very little of the chalcedony. I think other rockhounds in the region have the same idea as me and are hitting the gravel banks hard before they're gone and while the wood was always more abundant, the brightly coloured chalcedony stands out and is quickly picked up. I did find a few pieces though. Hopefully, a not insignificant amount of the wood will turn out to have coloured chalcedony and swirls of banded agate inside. Found a few small pieces that I'd be tempted to call opalized wood but I think [i]agetized[/i] would be more accurate, veins of white and blue opalescent material through it. Will post some pics at a later date - 50kg is a lot of stuff to sort through! [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Chalcedonized petrifed wood from volcanic area
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