9^ EARTHS. CALCAREOUS. 17, Alarmor, 
forosum. Perforated with pores, without luftre, opake, not receiv- 
ing a poliih. Filtering Jione- 
1. Mariiior filtrum. Gerh. tnirternl. />. 40. n. j. 
Perforated with pores, dillilling water. 
found in the quarries oi Rude-Jdorf in Germany. 
2. Spongy. Efsoi de mineral, des tnor.ts pyren. 
Found in the Pyrenees, and province of Bceme. 
3. Hollow and appearing rotten. 
Born, ind fofs Z. p. 
Found near la-ia in Carniola. 
4. Cellular. Barn, ind.fnfs. 2. p. 77. 
Found in .Alface, and the vail mountains of Bohemia: the pores 
are formed by pyrites formerly imbedded in it, but which 
has mouldered away and been walhed out. 
ptargodes. Cpmpatfl:, without iuftre, ftibopake, not receiving a poliih, 
with the fragments convex. 
Marmor fiffile. nat, xii. 3. /i. 41 . ». 4. 
Margodes, Wall. fist. mtn. 1. p. 353. «. 3. 
Calcareous mar!. Ktrwan. mineral, i. p. 94, qe, 
Carbonat of lime and clay. ’Thomfon chent. 3. p.(sM. 
Found in ftratarial mountains of Bavaria, Franlfirt, SnirJent 
&c. mixed with a greater or 'efs proportion ol clav, and oi- 
ten marked with diaphanous veins in the form of ilirubs, with 
frequently the veftiges of fiihes and crabs, rarely iliellsor fuch 
animals as inhabit fait water: colour yeliowilli or reddiih- 
white, 
stratanum. Mixed with clay, in water falling into powaler, crackling 
in the fire, confifting of horizontal Itrata. 
Marmor part, argill. Syst. nat. xii. 3. p. 42. n. 10. 
Alwarften. It.Oel.^i. It. Scan. 107. 
Found in Oeland, Scania, and the mountain Kinnekulle in S-we- 
den, breaking into horizontal and perpendicular itrata, and 
abounding in petrifaftions j the upper lirata arc much harder 
than the lower. 
Horentinum. Mixed with argil, opake, compaft, receiving a polifhi 
ciirioudy depidled. 
M irmor partic. impalp. Syst, nat. yin. 3. p, 41, n. 3. 
Marmor piilorius. Wull.fiiji. mm. \.p. I33. 'n. to, a. 
Marmor florentinum. Lang. lap. fig, 33. 
Found in Italy and Mount Sinai, yello with -grey with generally 
brown piftured marks of various forms. 
polile, Subopake, compaft, of a fplintery fradlure, receiving a 
high poliih, and of a line colour. 
Marmor ibiubile. Syst. nat. xii. 3. p, 40. n. 2. 
Marmor. Wall. fist. mm. i.y. 129, &c. n. 8,9, 
