Characteristics of Triclinic Crystals the three crystallographic axes are of unequal lengths that make oblique angles to each other. 1-fold symmetry axis as their only symmetry Pedion Pinacoidal Common Minerals of the Triclinic System Amblygonite Chalcanthite Microcline Pectolite Plagioclase Polyhalite Rhodonite Turquoise Ulexite Wollastonite

Crystal Systems/All About Crystals