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Gemstones, Minerals & Fossils
Gemstones and Minerals
Blue / pink / purple / etc Stones at Telegraph Point, NSW
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<blockquote data-quote="mbasko" data-source="post: 671167" data-attributes="member: 4485"><p>Just to clarify/expand on this a bit for people reading the thread. </p><p>I don't agree with what DeanMNC has been told here but yes going around smashing up basalt rocks would likely prove fruitless. </p><p>While gemstones can be contained in basalt, basalt is very hard & trying to retrieve gems from the rock would probably just break the gems anyway.</p><p></p><p>This area of basalt is weathered so IMO it's the weathered basalt that is the source & has allowed the gems to remain after weathering then become alluvial in the waterways with other gravels.</p></blockquote><p></p>
[QUOTE="mbasko, post: 671167, member: 4485"] Just to clarify/expand on this a bit for people reading the thread. I don't agree with what DeanMNC has been told here but yes going around smashing up basalt rocks would likely prove fruitless. While gemstones can be contained in basalt, basalt is very hard & trying to retrieve gems from the rock would probably just break the gems anyway. This area of basalt is weathered so IMO it's the weathered basalt that is the source & has allowed the gems to remain after weathering then become alluvial in the waterways with other gravels. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Blue / pink / purple / etc Stones at Telegraph Point, NSW
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