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Gemstones, Minerals & Fossils
Gemstones and Minerals
Are Australian sapphires really worth anything?
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<blockquote data-quote="Lefty" data-source="post: 174713" data-attributes="member: 2976"><p>I think that's now a more widely accepted argument mfdes - the formation zone for much sapphire was the pyroclastics rather than the basalt lava. Examples of sapphire in basalt are very rare on our field. I've never seen any myself and the only confirmed one I know of was a stone a geologist found embedded in one of the volcanic plugs that dot the area.</p></blockquote><p></p>
[QUOTE="Lefty, post: 174713, member: 2976"] I think that's now a more widely accepted argument mfdes - the formation zone for much sapphire was the pyroclastics rather than the basalt lava. Examples of sapphire in basalt are very rare on our field. I've never seen any myself and the only confirmed one I know of was a stone a geologist found embedded in one of the volcanic plugs that dot the area. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Are Australian sapphires really worth anything?
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