amfibol
1. rogovača, amfibol
a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron [zelenkasto do črno mineral iz skupine amfibolov; sestavljen iz silikatov kalcija, natrija, magnezija in železa]
2. amfibol
a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum [skupina mineralov s podobno kristalno strukturo, ki vsebuje silikatno verigo ter kombinacije predvsem natrija, kalcija, magnezija, železa in aluminija.]
3. amfibol
a mineral or mineral variety belonging to the amphibole group [mineral ali mineralna sorta, ki spada v skupino amfibolov]