greenstone
n. பச்சைக்கல் வகை, மரகத வகை.
Green"stone` (gren"ston`), n. Etym: [So called from a tinge of green in the color.] (Geol.) Defn: A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.
n. பச்சைக்கல் வகை, மரகத வகை.
Green"stone` (gren"ston`), n. Etym: [So called from a tinge of green in the color.] (Geol.) Defn: A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.