Remarkable Rough Diamonds.
No. 4.—The great Spheroidal, six-sided, with forty-eight facets.
" 5.—The spheroidal Diamond, with twenty-four facets.
" 6.—A dodecahedral-pentagonal rough Diamond.
" 7.—A dodecahedral-rhomboidal rough Diamond.
" 8.—An Octahedron, with twenty-four facets.
" 9.—An Octahedron, the primary form.