EARTHS. AGGREGATE. 6i. Porpliyrius. 189 



granaticus^ Compofed of alumina, feldfpar, garnets, and a very fmuU 

 portion of quartz. 

 Karjlen Leske mineral i. /».24. 

 Found XizwWittilJhurg in the province oi Heje. 



(otiarius, Compofed of alumina, and cryftals of quartz. 



Zechllein. C' arpent geogr. Churf p 149. 



Cottenft'.in, Lulius harzgcb. i . />. 255, 2. n. 78. 



Mergclllein. Schulf, hamh, mag. t. 33. 



Clay Porphyry. Thomfofi chem., /^s p 133- 



Found on the banks of the Rhiney in Saxony and other places : 

 it has fometimes a few particles of feldfpar mixed with ir, 

 which mouldering away, leaves it full pf noUovvs. 



mttallifer, Compofed of alumina, quartz and other cryftals. 

 Saxum metallifernni. Bom. tnd fojf. i . /». 154. 155. 

 Found in the Tyrolefe mountains, thofe of Hungary, Bohemiay and 

 Tranfyl<vania, and is rich in metallic veirs : colour white, 

 \ whitiflij grev, or blucifii : in its compoiltion is always slu- 



mina and quarz, and fometimes feldfpar, adinote, h'jrnblcnd, 

 mica, or lithomarg. 



tramylva- Cornpofed of alumina, and cryftals of mica. 

 nicus. Karsten LefLe mineral. 2. />. 24. 



Found near Feljcbanga in ^ranjyl'vania, 



Delphinatus Compofed of alumina, fhorl, and afbeflus, 



Hofftnann Berg. Journ, 1788. i^/>57« 



Found near Bourg d' Oifjeau in Dauphigny ; the alumina impreg- 

 nated with ox\de of iron ; the fhorl of two kinds, one glalTy, 

 the other contaminated with ochre of iron : femitranfparent, 

 hard, compad, grey, a little ihining internally, breaking 

 into fragments with acute angles, in the form of ycry thin 4- 

 fided tables cylindrically excavated at the ficlcs and again ag- 

 gregate into tables, 



spadiceus. Compofed of alumina, and garnets, 



Heffmann Berg.Journ. 1788, i. /. 246. 



Found near Schneehurg in Saxony^ where it forms a vafl Rratqm 

 under the foil, and is added to the flux of mineral furnaces: 

 the alumina is rich in oxyde of iron, and the garnets are 

 browniih red. 



chhrogra- Compofed of alumina, and chlorogranates. 

 naticus. Found near Ibenjlock in Saxony. 



F. }Vith a hajalttc bafe. 



antiqum, Confxfling of trap, and feldfpar. 

 Cicnft. mineral, feci. 265, 

 Porfido verde, Freber Br.WelfchL i6.p, 265. 



