...Tetragonal and Hexagonal Systems. 5th. The Mmovlinic (oblique, monosymmetrio, prismatic) System hits tlirre axes of unequal length, two of which intersect at an oblique angle, being perpendicular to FIG. 226. FIG. 227. FIG. 228. FIG. 229. Rhombic or Ortho-rhombic System. the...

...saltpetre, zinc sulphate, citric acid, etc. 4. The Monoclinic (oblique, prismatic) System (Fig. 29) has three axes of unequal length, two of which intersect at an oblique angle and are perpendicular to the third. To this system belong the oblique pyramid and prism, and in it...

...disappears. Struvite and Calamine are hemimorphic minerals. H. MONOCLINIC SYSTEM. This system embraces all forms referable to three axes of unequal length,...intersect at an oblique angle, while they are both at right angles to the third. The holohedral forms have one secondary plane of symmetry. The existence...

...disappears. Struvite and Calaminc are hemimorphic minerals. H. MONOCLINIC SYSTEM. This system embraces all forms referable to three axes of unequal length,...of which intersect at an oblique angle, while they arc both at right angles to the third. The holohedral forms have one secondary plane of symmetry. The...