EARTHS. AGGREGATE. 6i, Porphyrius. 
igt 
ixuahicus. Confifting of bafalt, and felpfpar, with fometimes a few 
particles of quartz and mica interfperfed. 
FreberBr.aur. Weljchl. 1 6. p. Z74. 
Found , and is fometimes found among the ancient monu- 
ments of Rome. 
fedicularie. Confifting of bafalt* and cryftals of granatlne ftiorl. 
FreberBr. auf. Weljchl. 16 p. 27Z. 274. 
Found here and there among the ancient monuments ot Rome, 
with frequently a fmnll mixture of hornblend or fliorl : the 
cryftals of Ihorl are fometimes fo fraall as hardly to exceed in 
magnitude the point of a needle. 
fuldettsis. 
Confifting of bafalt, and garnets. 
Found in the mountain Bferdekopf in the bilhopnc of Fulda. 
•livinuf. Confifting of bafalt, and olivine. 
Gioeni litolog* Vefuu. />. 9*^* 
Found round Veju^ius^ and Ibxixetinies contains a few garnets* 
G. With the iafe of lava. 
vuleaiticus, Compofed of lava, and hornblend. 
Freber Br. a. Wel/chl. li. p. 178. 
Found in moft volcanic mountains, 
^ellatue. Compofed of lava, and cryftals of granatlne fhorl. 
Gioeni litoiog. Fe/u’V. p. 97—100. 102, 103. 109. 123. 
Freber Br. a. Welfch. 1 1 . 1 76. 1 78. ' 79 - 
Found round Fe/uvius, black, grey, or red r lometimes con- 
taining genuine Ihorl, or mica, rarely feldfpar or garnets, 
WW Compofed of lava, and 6-fuled prifms of genuine fhorl. 
Gioeni litoiog. Velwv. p 92— lop. 
Freber Br. a. Wel/chl. 1 1, p. 167. « 77 --« 79 - , , 
Found near Fe/avius and in the Marchefas iflands; black, grey, 
or red : the cryftals of fhorl are fometimes very obtufe-angled, 
thinner or thicker, black, white, blue or green of various 
fiiades, fometimes mixed vyith cryftals of aSinote, garnet, or 
granatine fhorl. 
tsitidulus. Compofed of lava, and mica. 
Gioeni litoiog. Fefuv. p. 89. 102. 118. 
Found in volcanic mountains, and frequently containing cryftals 
of granatine or genuine fhorl, or garnets, or both. 
detipiens. Compofed of lava, and feldfpar. 
Gtoeni litoiog. Vefu’v. p- 123. 
Dolomieu mem.et catal. p.%. r 
Found in Sicily and round Fefuntius, generally including lome 
hornblend, rarely mica or Ihorl. 
