The story
From Ancient Greek γλαυκός (glaukós, “blue-gray”) + Ancient Greek χρώς (khrṓs, “color”) + -ite.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A calcium manganese nesosilicate mineral occurring in metamorphosed limestones. Full definition →
From Ancient Greek γλαυκός (glaukós, “blue-gray”) + Ancient Greek χρώς (khrṓs, “color”) + -ite.
Etymology from Wiktionary, CC BY-SA 4.0.