i88 EARTHS. AGGREGATE. 6i. Porphyrins. 



Freber Br, auf. Welfchl, 23. ^. 377. 



Found in the mountains of Saxony near ZaebliXy and Piedmont 

 near Fenejirella, detached near Geneva, 



C. IVlth a haje of Amarus. 



heliieticui,, Confifting of amarus, and hornblend. 

 Hoepfn* mag* helnj. natur. i. p. 279. 

 Found in the Snvifs mountains, green. 



alpinus, Confifting of amarus, and feKlfpar. 

 Hoepfn, mag. helv. natur, i. p. 279. 

 Found in the alps of Zivitzerland. 



mkans. Confiding of amarus, and mica. 

 Hoepfn, mag, helv* itatur, i. /». 279. 

 Found in the mountains of SivitzerlnKd, 



hicolor, Confifting of amarus, and garnets, 

 Hoepfn* mag. hel<v, natur » I. p. I^JC). 

 Found in the mountains of ^vjitzerland^ 



spkulatuu Confifting of amarus, and (horl. 

 Hoepfn* mag. helu. natur* 1. tab. 2. 

 Found in the mountains of Sivitzer/and. 



D. PFith a calcareous bafe* 



ealcarius, Compofed of limeftone, and cryftals of quartz imbedded. 

 Found in the conflux of the circles of Germany, of a flaty 

 texture. 



Macigno* Compofed of indurated marl, and the greater part mica. 



Freber Br*a*WelfchLj, p*^6. i9./». 324. 



Found near Fiefch in Tufeany: colour grey, fometimes verging 

 to yellowifh or blueifh, the latter of which grows black and 

 moulders in the air : it is difpofed in horizontal ftrata, the 

 lower of yvhich are harder. 



MtJtriacusi Compofed of indurated marl, and ftiorl. 

 Born* ind.fofs* !• p, 34. 

 Found near Tranjonfein in AuHria* 



E. With an argillaceous hafe. 



granitoides^ Confifting of alumina, and the greater part feldfpar. 

 Granit. porphyr. Nofe orogr, p. -106* iio, iii. 

 Found on the banks of the lower Rhine, and near Altenburg in 



Saxony : it eafily moulders in the air, and has fometimes a 



fmall portion of quartz or mica. 



