ALL meanings of amphibole
am·phi·bole
A a - noun amphibole any of a large group of minerals consisting of the silicates of calcium, iron, magnesium, sodium, and aluminium, usually in the form of long slender dark-coloured crystals. Members of the group, including hornblende, actinolite, and tremolite, are common constituents of igneous rocks 3
- noun amphibole any of a group of rock-forming minerals, as hornblende or actinolite, composed largely of silica, calcium, iron, and magnesium: they are common constituents of igneous and metamorphic rocks 3
- noun amphibole Any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals. 1
- noun amphibole any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many rocks. 1
- noun amphibole (mineralogy) A large group of structurally similar hydrated double silicate minerals, containing various combinations of sodium, calcium, magnesium, iron, and aluminium/aluminum. 0