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Showing results for tags 'smoky quartz'.
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Carboniferous wood with crystals for trade
Svetlana posted a topic in Member-to-Member Fossil Trades
Hello. I offer for trade fragments of petrified wood of the Carboniferous period with crystals of smoky quartz. Some samples are in the photographs (I did not upload all the samples I have, since there are quite a few of them - of different sizes and qualities, as well as the sizes of the crystals themselves. I think we can agree on what specifically interests you - I have no doubt that I will find the sample you need). The origin of this wood is Ukraine, its age is Carbon. I'm interested in marine reptiles and petrified wood. Thank you. Have a nice day-
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Hello. I want to show you some examples from my collection. This is a Carboniferous wood. The preservation is not the best, but for me these samples are interesting for the presence of crystals of smoky and ordinary quartz on them. A sliver that has broken off from a larger fragment. There is more quartz than wood Perhaps a stem or stump - it is almost round in cross section. And thickly overgrown with crystals. Large flattened fragment; perhaps the first sliver was from it.
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Stumbled across this nice smoky quartz cluster in a Lower Carboniferous amygdaloidal lava flow over the weekend that outcrops on a hillside just out of town while prospecting for fossils. Most vugs in this formation are filled with calcite but they sometimes go to quartz, mostly clear but sometimes smoky or amethyst with nice big crystals if they had the space. Whole specimen just under 10cm across.
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