tate Difcoveries in Sciencr. ^S» 



Lime - - - 03-00 

 Lofs - - - 04-5c> 



The farinaceous chlorite gave : 



Oxydofiron - - 43-3 

 Silcx - - - 26-0 



Alumine - - i5'5 



Magnefia - - 08-3 



Muriat of potafli - 02*0 



Water _ - - 04-0 

 The tourmaline of Ceylon gave : 



Silex -' - - 40*0 

 Alumine - - - 39'^ 

 Lime . - - 04-0 

 Oxyd of manganefe - 02*5 

 Oxyd of iron - - I2'0 

 Lofs - - - 03-5 



The zeolithe of Fcroe gave : 



Silcx - - - 50*24 

 Alumine - - 29"30 



Lime - - - 09'4<5 

 Water - - - lo-oo 

 Lofs - - - oi-oo 

 Lellevre has given an excellent defcriptlon of the lepido- 

 iite. It appears that it was firft found by the abbe Poda, of 

 Neuhaus, and that Born gave the firft defcription of it iu 

 the Annaies de Chhnie f6r 1791. That delcribed by Lelieyre 

 is of a lilac colour, and fcems to be compofed of, fmall bril- 

 liant laminee Vvhich might be taken for mica. Its fpecvfic 

 gravity, according to Hauy, is 2-8549. By the blow-pipe it 

 is eafily fufed, ami without fwelling up. It gives a white 

 femi-tranfparent glafs filled with blifters. An analyfis of it 

 gave : 



Silex . - - 54 



Alumine - - - 20 

 F"iuat of lime - - 04 

 Oxyd of manganefe - 03 

 Oxyd of iron - - Oi 

 Potai]! - - - 18 



Vaijquelin 



