92 EARTHS. CALCAREOUS. 17, Marmor, 



forosutn. Perforated with pores, without luflre, opake, not receiv- 

 ing a polifh. Filtering Jlone. 



1. Marmor filtrum. Gerh. mineral, />. 40. n. 5. 

 Perforated with pores, diftilling water, 



Found in the quarries of Rude*-Jdorf in Germany. 



2. Spongy, Epai de trine^al. des monts pyren. 

 Found in the Pyrenees ^ and province of Rearne, 



3. Hollow and appearing rotten. • 

 Born, ind fofs. 2. /. 77* 



Found near Idria in Camiola, 



4. Cellular. Born, ind. fofs. 2. p. 77, 



Found in Alfacit and tne vait niOut.tains o^ Bohemia: the pores 

 are formed by pyrites formerly imbedded in it, but which 

 has mouldered away arid been waihed out. 



margodss. Cotnpaft, without luflre, fubopake, not receiving a polifh, 

 with the fragments convex, 



Marmcr fiffile. S'ifl. nat, xii. 3. p. 4T. ;;. 4. 



Margodes. Wall.fst. min, i. p. 393. n, 3. 



Calcareous marl. Klri.xj an. miner aK l./». 94, 9^. 



Carbonat of lime and clay, ^homfn chew, 3. /». 61 :. 



Found in ftratarial mountains ot Bavariay Frankfort, S-ueden^ 

 Sec. mixed with a greater or lefs proportion of clay, and of- 

 ten marked with diaphanous veins in the form of fhruHs, with 

 frequently the vcllige: of iifhes and crabs, rarely fliells or Inch 

 animals as inhabit fait water: colour yeiiowiih or reddilh- 

 white. 



stratariumo Mixed with clay, in water falling into, powder, crackling 

 in the fire, confiding of horizontal itrata. 



Marrnor part, argil!. Syst. nat. xii. 3. /. 42. n, 10. 



AUvarllen. lt,QeK^\, It, Scan. 107, 



Found in Oelavd, Scaniay and the mountain Kitr-ekulle in S-v.-e- 

 deny breaking into horizontal and ccrpencicul ir ftrct-., and 

 abounding in petrifadions ; the upper ftrata are much harder 

 than 'ihe iov\er. 



iprentinum. Mixed with argil, opake, comia^l, receiving a poUfh, 

 curioully depided. 

 Marmor partic. impalp. Syst. nat.x\\. 3. /■ 4^. ». 3.. 

 Marmor piftoriu?. IfJl.fJi. m:n. \. p. 133. n. io,a^ 

 Marmor florentinum. Lang, lap, fig. 33, 

 Found in Italy and Mount Sinai, yellowifh-grey with generally 

 brown pidlured marks of various forms, 



awhile, Subopake, compadl, of a fplintery fra£lure, receiving a 



high polilli, and of a fine colour, 

 Marmor folubile. Syst. nat. xii. 3. /. 40. n. z. 

 Marmor, Wall. fyst. min. \.p,\ 29, &c, n. 8, 9, 



