S^anaiicus, 
^otiarius^ 
^’’antylva- 
nicus. 
^tlfhinatus 
^P^ikeus. 
^^lorogra. 
’^^ticus. 
"’’liguus. 
EARTHS. AGGREGATE. 6i. Porpbyrius. 189 
Compofed of alumina, feldfpar, garnets, and a very fmall 
portion of quartz. 
Karjlea Leike mineral 2 . p.2^. 
Found near Witteljhurg in the province of HeJJi. 
Compofed of alumina, and cryftals of quartz, 
Zechftein. Cl arpent. geagr. Cburf p. I 49 " 
Cotrenttcin, Ln/ins harzgsb. t. p. 255. 2. n. 78. 
Mergelftein. Schult, hdtnh. »:ag. t. 33. 
Clay Porphyry. Thomfon chem., p 133- 
Found on the banks of the Rhine, in eiuxony and other places ; 
it has I'oinetimes a few particles of feldfpar mixed with it, 
which mouldering away, leaves it full of noSlows. 
Compofed of alumina, quartz and other cryllals. 
Saxunt metalliferuni. Born ind fojj. \ .p. 154, 154. 
Found in the Tyrole/e mountains, thofe of Hungary, Bohemia, and 
Tranfilvania, and is rich in metallic veins: colour white, 
whitith, grey, orblueilli: in it,s compofuion is altvays I'lii- 
mina and quarz, and fonictiiiics feldfpar, aflinoic, hcrribltud, 
mica, or lithomarg. 
Compofed of alumina, and cryftals of mica. 
Kursien Lejke mineral. 2 . p 24. 
Found near Feljohanga in Branjyl-'vama, 
Compofed of alumina, fhorl, and afbeftus. 
Hofmann Berg. Journ, 1788. i. /i 57. 
Found near Bourg d' OiPJeau in Dauphigny ; the alumina impreg- 
nated with oxt de of iron ; the fhorl of two kinds, one gUlfy, 
the other contaminated with ochre of iron : fcniitranfparent, 
hard, compaff, grey, a little fliining internally, breaking 
into fragments with acute angles, in the form of very thin 4- 
fided tables, cylindrically excavated at the fidcs and again ag- 
gregate into tables, 
Compofed, of alumina, and garnets. 
Heffniann Berg.Jonru. 1788. I. p. 246. 
Found near Bchneeburg in Saxony, where it forms a vaft Ilratum 
under the foil, and is added to the flux of mihcrsl furnace.s; 
the alumina is rich in oxyde of iron, and the garnets are 
brownifh-red. 
Compofed of alumina, and chlorogranates. 
Found nf at Ibenjloch in Saxony, 
F. bVitb a bajaltic hafty 
Conftfting of trap, and feldfpar. 
Cron/i, mineral, feet . 263. 
Porfido verde. Freler Br.Weljchl, \ii.p, 265. 
