The story
From a (first letter of Allen) + heyl + -ite, named after Allen V. Heyl, a geologist for the United States Geological Survey.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A pale blue or green triclinic mineral. Full definition →
From a (first letter of Allen) + heyl + -ite, named after Allen V. Heyl, a geologist for the United States Geological Survey.
Etymology from Wiktionary, CC BY-SA 4.0.