cyanophyllite
nounEtymology From Ancient Greek κυανός (kuanós, “blue-green”) + φύλλον (phúllon, “leaf”) for its color and crystal habit, + -ite.
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Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Archaic An orthorhombic-dipyramidal greenish blue mineral containing aluminum, antimony, copper, hydrogen, and oxygen. A polytype of cualstibite, and discredited for such in 2012.