EARTHS. AGGREGATE. 6o. Gneiniim. 
1S2 
similaris. 
niontiunt- 
hraBeatuii 
argent at us. 
lamellatus. 
lucidus. 
ashesthius. 
fernacum. 
Confiding of garnets, and fliorl. 
Gioeni Istolog. Vefwv. p. 63. 68. 
Hoepfn magasc. Hsl-v natur. i . tab. 3. 
Found in the mountains of Snssitxerland, and detached round 
Vejuvius, with fometimes a mixture of mica. 
Confifting of granatine and genuine fliorl, 
Cioeni litoiog. !>' tJ'u’U. p, 70. 
Found in the neighbourhood of Vefuvius. 
Confifting of garnets, fliorl, and hornblend. 
Hoepfn, magaz Hgl^. natur. 1 , tab 3 , 
Found in the mountains of Snvitzerland. 
Confifting of garnets, and hornblend. 
Hoepfn, magaz. lielv. natur. 1. p. 279. 
Found in the mountains of imvitzerlasid. 
Confifting of garnets, mica, and fpar. 
Cioe,ti litoiog. Hefwv, p. 49. 
Found in the neighbournood of Vefunjius. 
Confifting of mica, and fpar. 
Gioeni litoiog. P'efu-v. p. 48. 
Found in the neighbourhood of Vefwvius, 
Confifting of aflinote, and fpar. ■ 
Gioeni litoiog, Vefwv. p 60. 
Found in the neighbourhood of Vejuniins, and may probably be 
an amygdalite. 
Confifting of afbeftus, and marble. 
Gioeni htolog, Vefu-v. p. 48. 
Found round Vefwvius.^ and is hardly of this genus. 
Co, GNEISSUM. Compofed of parts cohering 
together without any intermediate cement, often 
in the form of cryftals, and foraetimes alternat- 
ing in layers, of a flaty or rarely a fibrous tex- 
ture forming plates laid on each other: found in 
lofty jirimitive mountains, generally refting upon 
beds of granite: hard, not melting before the 
blowpipe nor mouldering in the air. 
Confifting of the greater part quartz, and mica. 
Sax. aretiofo micac. Syst.nal. xii. 3. p. 79. «. 33. 
Saxum quartz. bVall. (/it. I. p. 410. «, 5. 
Gneifs. Kifnvan mineral, i. p. 
Micaceous flate, Schmeifer miner. l, />, 310, 
