EARTHS. ARGILLACEOUS. 40. Zeolithus. 137 



viridis, Apple-green, hard, femipellucid, of a partly foliated 

 partly radiate texture. 

 Kry Ibll . Praf. Hacq. Berl. Naturf, 4. p, 25. /. 3./. 1 7. 

 Phrenite. Kir^van miner, i.j). 274, 

 Phrenit. Schmei/ser miner, i. p, \\7, 

 Phrenite. Thomfon chem, 3./', 567. 



I. Ot a common form. 



i. In the form of a4.fided comprefled prifm. 



Found near Dumbarton and other places in Scotland^ at the Capt 

 ofGoodtlopey and in Dnuphigny, fometime.^ fo hard as to ftrike 

 fire with ftecl, and to admit a fine polifh : colour app'e green^ 

 lomeiimes verging into leek or olive-green : the cryllals are 

 in groups and confufed, and appear, according to Hauy^ to be 

 4-rided priims with dihedral fummitsj fometimes they are 

 irregular 6-rided plates, and fometimes flat rhomboida^ pa- 

 rallelopipeds : the amorphous kind prefents either a foliated 

 or ftriated texture ; the foliated confifting of large or fmalU 

 grained diftinft concretions, the ftriated of imperfeft flender 

 columnar concretions: the tranfverfe fradture is uneven and 

 fine grained : before the blowpipe it foams and fwells more 

 than other fpecies, and melts into a brown enamel, fmooth 

 on the outfide^ but fpongy and porous underneath : fpecific 

 gravity 2,6097. to 2,6996. contains filica 43,83 alumina 

 30,53. iime 18,33. oxyde of iron 5,66. ^ir and water 1,164 

 Klaproth. 



i-jlumnaris* PrifmaJc, tranfverfely ftriate, of a fibrous texture when 



broken longitudinally, of a lamellar texture when 

 booken tranfverfely. 



Fichtell3 BindheimSchr^ Berl. Naturf, 3./. 447. 452. 



Found in Tranfyl'vania near Schebe/ch, mixed fcatteredly with 

 the Marmor micans ; the prifms fometimes folitary, fome- 

 times cluilered, 4-fided or 6-fided: colour generally white, 

 rarely bluifh, fea-green, or draw-colour : contains a larger 

 proportion of carbonate of lime than other fpecies, to the 

 quantity of i 3 parts out of 60, and lefs alumina, 



Cjanius. Very brittle, tranfparent, (hining, ponderous, hardifh, 

 ftriking fire with fteel, breaking tranfverfely into long 

 fplinters, texture foliated in a radiate manner, 



Cyanit. Wemer Bergm.Joum, 1790. i,p, 164, 



Sappure. Saufsure Journ. Phys. 1789, Mart, p* 21 3. 



Sappare. Kirivan miner, i. p, 209. 



Dillhine. Hauy i\\, p. 220. 



Cyanit. Schmeifser miner. X. /►. 178. 



Cyanite. Thomfon chem. 3. /*579, 



VOL, vir, — s 



