Fossilized Solitary Rugose Coral with some fossil Crinoid segments scattered around it. These are Carboniferous era marine fossils, deposited here over 300 million years ago. County Donegal, Ireland.

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Today's Arizona inspiration: Located about 30 miles from the Alvarado Homestead, the Painted Desert is one of my favorite places to visit. Its geology dates back over 200 million years to the Late Triassic period. Lots of fossils and petrified wood are found here. 🪄 #arizona #painteddesert

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Impressive native #Gold - nicknamed "Christmas Tree" - from Grit Mine, California, USA. #minerals #crystals #mineralcollecting #mineralexpert #rockhounding #mineralogy

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Beautiful yellow calcite crystal cluster with sparkly chalcopyrite from Anhui Province, China 💛 #crystals #minerals #calcite #crystalcollector #mineralcollector #crystalsky #geology #rockhound

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And here are the more colorful ones from the latest batch! I found only a small portion of these. #rocktumbling

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