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Astrophyllite is a rare silicate mineral composed of potassium, iron, titanium, manganese, and sodium. It was originally discovered by Paul Christian Weibye in Norway in 1844, then recognized by the scientific community in 1854 when it was given its official name “Astrophyllite”. Carl Johan August Theodor Scheerer chose the name based on the combination of the greek words “astron” and “phyllon” which mean “star” and “leaf”. It is mostly found in Russia, Greenland, China, Norway, and the United States.
