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Gemstones, Minerals & Fossils
Gemstones and Minerals
Kitty miller bay?
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<blockquote data-quote="Ray Edwards" data-source="post: 75191" data-attributes="member: 2992"><p>Saw some amazing agates from there about 35 years ago, so I went a few times to have a look. Your other correspondents are correct in their directions. I never found anything really top quality, but I have seen what I think would be called Tigers Eye agate from there that was really beautiful. I'm not a geologist or gem expert, so I'm not sure of the exact terminology. I also saw some spherical quartz-like stones which were hollow with crystals growing in towards the centre. Mostly marble size,some up to golf-ball size. Undamaged ones were full of what looked like water. I was told that geoscientists at Monash, where I was studying, were using them to date the age of the rocks, by using the isotopic ratios of the oxygen atoms in the water.</p></blockquote><p></p>
[QUOTE="Ray Edwards, post: 75191, member: 2992"] Saw some amazing agates from there about 35 years ago, so I went a few times to have a look. Your other correspondents are correct in their directions. I never found anything really top quality, but I have seen what I think would be called Tigers Eye agate from there that was really beautiful. I'm not a geologist or gem expert, so I'm not sure of the exact terminology. I also saw some spherical quartz-like stones which were hollow with crystals growing in towards the centre. Mostly marble size,some up to golf-ball size. Undamaged ones were full of what looked like water. I was told that geoscientists at Monash, where I was studying, were using them to date the age of the rocks, by using the isotopic ratios of the oxygen atoms in the water. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Kitty miller bay?
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