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February 17, 2022 03:20 pm GMT
Original Link: https://boingboing.net/2022/02/17/cummingtonite-is-a-type-of-metamorphic-amphibole.html?utm_source=rss&utm_medium=rss&utm_campaign=cummingtonite-is-a-
"Cummingtonite" is a type of metamorphic amphibole
Cummingtonite is the name of this metamorphic amphibole, in case you were wondering. It contains the chemical chemical composition magnesium iron silicate hydroxide. Cummingtonite is translucent. It comes in dark green, brown, and beige varieties. It was named after the delightful town of Cummington, Massachusetts.
Original Link: https://boingboing.net/2022/02/17/cummingtonite-is-a-type-of-metamorphic-amphibole.html?utm_source=rss&utm_medium=rss&utm_campaign=cummingtonite-is-a-
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