EARTHS. ARGILLACEOUS. 40. ZeoUdius. i^s 



Stilbite, Thomfcn chcm. 3. p, 565, 

 Zeolite, iscbmeij^ermi rural i.p. 148. 

 Lamellar Zeolite. Werner ?mnerat. 



Found in Oflrogsth and Iceland^ fonictimcs breaking into cruf- 

 tole fragaients, aiid \s rather hard. 



radiaiuf. Solid, fliining like mother of pearl, radiate with ehe rays 

 •convergent. <* 



CryftaHi Zcolit, pyranl. Crvnfl. min: tit. 3. A, 

 Zeolites facie ftlenitica. irall. j'\jL \ p 3*3 « 9- 

 found in Iceland^ OJi the Ft^oe ijl-4nds^ Laplojt/i^ 'Jetntia, and 

 Hercvnia: colour white or yellow, naxdilli, VtiCa the rays 

 foractimcs fafcicled, Ibmetimes llellate. 



firssms^ Solid, fliining like mother of pearl, fibrous with the fibres 



convergent. 



Zeolites fpatoiu!.. Cronll. min. J id. 



Zeolite- partic minor, IVall.fyJK i./. 3ii.«.24 



Zeolite. Kirojjan miner, I. p 278. 



Zeolite. Thomjbn them. l-p^S^^ 



M eibty pe. Hauy, in. 151. 



found m Scotland^ ard various parts of* ^Aro/^ in Bafaite?, and 

 in the lavas oi Iceland^ often accompanied with Chalcedony, 

 rarely in Hercjiua: colour v\hite, reddifli, brownifh, yellow^ 

 or cinereous; luftre filky or pearly: refiacls double, and 

 ablorbs water: when heated it becomer. cle<^lnc: before the 

 blowpipe it Froths, emits a phoiphoieicent liglit, and melts 

 into a white femitranfparent enamel foiuble in acids: dif- 

 " Iblves flowly in acids, without eficrvekencc, and is con- 

 verted at laft into a jelly: the fibres arc fometimcs fafcicled, 

 ibmetimes ftellatc aud aggiegate into a mote or lefj perfcdly 

 globular form: ipecific gravity 2,0833. contains filica 

 53,00- alumina 27»oo. Jime 9,46, water 10,00. Vaufiuelin* 



MlUuUius, Soliil, fomewhat cylindriea!, reddifh. 



Stalactites Zeolithos. SyjL nat jiii. 3./). 1S5. w. 12, 

 Found in the clciu of rocks, arui is probably hardly a diftincl 

 fpecies« 



cia^MiUit 



*^hula\ 



ris. 



Solid, tranfparent, (hlning like mother of pearl, grooved, 

 of a clavaie form. 



Krock Beyir. chem, unnaL z. p. 17./". 6--8» 



Found in clulters in the Feroe IJIands^ Iceland^ Jetmia and 

 Hercynia-, on the Argentum rubrum and various Ipccies of 

 Spatum: colour miik-white, rarely yellowifh. 



Solid, feraitranfparent, hardifh, fhining like ipother of 

 pea-rl, in 6-iided tables. 

 Knock. Beytr* chem*annal, 2» p^ x6,/. i. 3.4. %. 



