FLINT GENUS. Geognostic and Geographic Situation. It is found in St Gothard in Switzerland, imbedded in mica flate, and fometimes accompanied with Ky a ' nite. It is alfo met with in Brittany in France, and & Spain near St Jacques de Compoftelle. ELEVENTH SPECIES. Spinelle. Spinell.—Werner. Rubinus balafms, Rubinus fpinellus, Wall, t, i. p. 247 , 'T Rubis fpinelle octaedre, Rome d. L. t. 2. p. 224.—^P 1 ' nel, and balafs rubies, Kiriv. vol. 1. p. 2 S3— S P illCl1 ’ 1 Elner, b. 2. f. 73. Id. Emm■ b. 1. f. 56. & b. 3. f. ^ Rufcino fpineilo, Nap. p. 1x8. -Rubis, Lam. t. 2. p- Jl4 ' Spinell, Hauy and Erochant, lb. Eournon, Philo/. W' 1792, part 2. p. 305. External Characters. Its principal colour is red, from which it pailes 01 ' the one fide into blue, and even into green, on ^ other into yellow and brown. From carmine rC . p# 5