/r/whatsthisrock

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Found in Tasmania

18 upvotes • Tight-Quantity6372

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Absolutely nobody responded to my last post so lemme try this again- what rock is this?

18 upvotes • timately

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Amethysts!

18 upvotes • JIMSTJOHN

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Could this be a fossil Nodule? Found on a beach near Norkapp, Norway 🇳🇴

18 upvotes • StarLink97

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How does this happen?

18 upvotes • dirkraft

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What is this fluorescent deep purple/red rock? It has an odd rainbow white-ish shine within it once moved

18 upvotes • gmangaming3243

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Found a few years ago at a job site , any ideas what it could be?

17 upvotes • ElBigSexy

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What is this? Found when diving in Croatia(Istria)

17 upvotes • 7E-Mania7

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Fossil? Or just cool?

17 upvotes • herrvictor

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Someone said Chert and Quartz, but I am unconvinced.

17 upvotes • 3xtracalibur

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Found in Tasmania	18	Tight-Quantity6372
Absolutely nobody responded to my last post so lemme try this again- what rock is this?	18	timately
Amethysts!	18	JIMSTJOHN
Could this be a fossil Nodule? Found on a beach near Norkapp, Norway 🇳🇴	18	StarLink97
How does this happen?	18	dirkraft
What is this fluorescent deep purple/red rock? It has an odd rainbow white-ish shine within it once moved	18	gmangaming3243
Found a few years ago at a job site , any ideas what it could be?	17	ElBigSexy
What is this? Found when diving in Croatia(Istria)	17	7E-Mania7
Fossil? Or just cool?	17	herrvictor
Someone said Chert and Quartz, but I am unconvinced.	17	3xtracalibur