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222 FLUOR FAMILY. The colours are of all degrees of intensity, and some times pieces occur spotted or striped. It occurs massive, disseminated; and crystallised in the following figures: 1. Cube, which is the most frequent crystallization, and is also the fundamental figure of the species, fig. 132. * 2. Cube, truncated on all the edges - )*, fig. 13S. When these truncating planes increase so much as to cause the faces of the cube to disappear, there is formed 3. The rhomboidal or garnet dodecahedron J, fig. 131. 4. Cube, with truncated angles ||, fig. 135. When these truncating planes increase, so as to cause the faces of the cube to disappear, there is formed an 5. Octahedron, or double four-sided pyramid §, fig. 13b. This figure is sometimes truncated on the edges, as fig. 137. or on the edges and angles at the same time ; and varieties of it occur, in which the planes or faces are cylindrically convex . 6. Cube, with bevelled edges *'*, fig. 138. When the bevelling planes enlarge so much, as to cause the original faces of the cube to disappear, a tessular crystal, with 24 triangular planes, is formed, fig. 139. 7. Cube, in which all the angles are acuminated with three planes, w hich are set on the lateral planes. 8. Cube, in which all the angles arc acuminated w ith six planes, which are 'set on the lateral planes. 9. Tetra- * Chaux fluatee cubique, Hauy. Chaux fluatee cubo-dodccnedre, Hauy. x Chaux fluatee dodecaedre, Hauy. || Chaux fluatee cubo-octaedrc, Hauy. § Chaux fluatee primitive, Hauy. Chaux fluatee spheroidale, Hauy. ** Chaux fluatee bordee, Hauy.