{ 93 ) 1 FOURTEENTH SPECIES. Diamond fpar. Demant fpath.—Werner. External Char afters. Its colour is dark hair brown. It occurs maflive, difleminated, in rolled pieces, and Cr yftalliz e d in 1. Six-fided prifms, and in 2. Simple very acute fix-fided pyramids, having their extremities truncated. Internally its luftre is fplendent, and generally in a flight degree to adamantine. e n cut into a femicircular fhape, and in fuch a j; ner that the point of interfection of the three- Ptef C ^ eava ^ e occu pics the middle of the furface, it Pea an °P a I e I cent °i r f ix rays, and a peculiar t y light, which is of a copper red colour. th ta ^ ure P re fents a perfeft obliquely interfering r ee-foid cleavage. rngments rhomboidal, but not fo perfect as in c °rundum. V It is tranflucent on the edges. Hard