I go 
timiitam. 
^ttrosus. 
tquamsus. 
lamglhms. 
tfatosu},. 
TfigerrwmSf 
(£p,yptiu!. 
EARTHS. AGGREGATE. 6i. Porphyrlus. 
Trap Porphyry. Kir’wan miner. I. p. jyy. 
Found : the trap green, the cryftalj of feldfpar white anfJ 
varied with black cryllals of Ihorl. 
Confrftiiig of trap, and fpicules of fliorl. 
Saxam corneo. Wall Jyst. min., l.p. 410. ». iz. 
found in SiKcd’fi WeHrogeth-, when placed on the point of th® 
finger and ftruck with a hard body, it makes a ringing noife- 
Compofed of trap, and cryftals of quartz. 
Rowley rag. With. Phil Trarf. 70. p. 2. «. zo,’ 
Turilite. Kirntian miner. I, p. Z29. 
Found in various parts of England, and has been before defcrib- 
ed in p. 1 27 of this work, as a variety of Trap. 
Confiding of trap, and minute cryftals of hornblend ii«' 
bedded. 
Corneus trapezius. Wall. fyd. I . p. ^62. n. 4. f. 
Found in the mountains of Hunueburg, Kinnekulle, and Sidberg 
in Smeedeni dull grey or blackilJi, 
Confiding of trap, and mica. 
Corneus trapezius. Waller fyR. t. p. 363. n. 4. g. 
Found in the mountains of “ 
Confiding of wacke, and hornblend. 
Karft.mag. hel-v, naiur. 3./. 234. 
Wackcn Porphyry, Kirnvan mineral, i. p, 355. 
Found in Saxony, yellowifii, greyilh, or liver- brown. 
Confiding of wacke, and calcareous fpar. 
KarR. mag, helar. natur. 3. p, 234. 
Found in Saxony and Bohemia, and even at Frankfort on 
Maine. ■' 
Con^Gding of black wacke, and black cryftals of mica. 
Wtdenmun mag. heh. natnr. 4, p. 196, 197. 
Werner Bergm.Journ. 1728. 2. />, 8,53. 
Found m the mountain Schneehurg and others in Saxony, 
near Joachimothal in Bohemia. 
Confiding of bafalt, and hornblend. 
Werner Bergen. Journ. 1788. 2. p. 833. 
I . The cryftals of hornblend deep black,, very fmall, and ve*/ 
firmly imbedded. 
2. With larger and greenifli fpots ot hornblend. 
Pictra ncfritica. Freber Br. Welfchl. 16. p. 274. 
Fpund in Egypt. 
