I agine that's pretty much how Romans made theirs too. We have a Roman door tile from the Roman dump by the side of the River Thames. It was confined by an archaeologist. I was speechless! Mudlarking is fantastic free fun.

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I’ve found this kind of Instagram art experience to be soulless and boring. Pointless except for social media photos. It’s not really art.

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One thing that's particularly enraging about things like this is the inference that people can't choose for themselves what to think/believe.

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Blue chalcedony is among the rarest colors in silica mineralogy — true blue requires Rayleigh scattering, not pigment. That this color survived 3,200 years intact says everything about silica's chemical stability. Stunning artifact.

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Have no idea what they’re singing, but got chills nonetheless

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