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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="Hawkear" data-source="post: 671017" data-attributes="member: 4728"><p>I’d be guessing the reds, pinks are garnets. The fracture in the stones is conchoidal which is typical of garnets. Garnets are are a silicon based stone and have a hardness around 6.5. They are formed from the metamorphism of rocks such as slates or granites that are silica rich alumina poor. </p><p>I have seen garnets very much like those when panning for gold in the Lerderderg river on Vic.</p></blockquote><p></p>
[QUOTE="Hawkear, post: 671017, member: 4728"] I’d be guessing the reds, pinks are garnets. The fracture in the stones is conchoidal which is typical of garnets. Garnets are are a silicon based stone and have a hardness around 6.5. They are formed from the metamorphism of rocks such as slates or granites that are silica rich alumina poor. I have seen garnets very much like those when panning for gold in the Lerderderg river on Vic. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Blue / pink / purple / etc Stones at Telegraph Point, NSW
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