EARTHS. CALCAREOUS. 16. Pifolithus. 17. Marmor. 89 
Seffilc, foHd. 
Syft. nat xii. 5 * f' ’•■S’ , , js i. 
Found in the caves of Adrianoph and other places, diaphanous, 
admitting a polifh, appearing a little greafy, milk-white, 
with red, rofy* yellow, brown or cinereous veins, Itripes or 
fpots, fometimes cinereous, red, yellow, brown, rarely blue. 
1 6. PISOLlTHUSi Confining of carbonate of 
lime, a very fmall proportion of fand and oxyde 
of iron, carbonic acid gas, and wuter: fofr, 
opake, without luftre internally, breaking into 
indeterminate fragments, and feparating into 
fpherical granulations: of a centrically lannellar 
texture; found about warm fprings. 
^arolinus. PisOLITHUS. 
Tophus oolithus. SfH. nat. xii. ,• /• *89. «. 14* 
Oolithus. IVall./yji. 2. p- 384, n. 7. a. 
Pifa Carolina. Worm. Muf. 52. 
Oolite and Pifolite. Schmeijjer mineral. l. p. 219. 
Compatt limellone, var. 3. Kirwan miner. i,p. 82. 
Pifolite. Thomjon cbemiftry, 3. 610. ^ _ 
Found near the warm Iprings of Carlsbad in Bohemia, m hilepa 
and Hungary, in the form of round mafles compofed of con- 
centric layers, each containing a grain of fand in its centre . 
colour white or yellowifh-white, brownilhi reddifli or jel- 
lowifh. 
17. MARMOR. Confiding of carbonate of lime, 
carbonic acid gas, and water : hardifh, meagre 
to the touch, of a common form, lightifli, com- 
pofing whole mountains or the greater part of 
them, or in detached pieces : burning into 
quicklime, foluble for the greater part in acids, 
with effervefcence. 
^«mmites, Opake, without luftre, compaa, confifting of accreted 
round granulations. 
Marmor granis globulis, Syji. nat, xii. 3. />.’ 43 < 
Ketten ftone. \^,^erby Brit. min. p, 17. tab. 8. 
CompaA limeftone. Ktr’wan mineral, i. p, 82. - 
Oolithus. It. Coil. 266. 
Pifolithus, Vogel mineral. 256, 
VOL* VII. — M 
