SALTS. O7. Muria, 
2t3 
earths, and may be purified by dropping into itfirfta folutiot) 
of carbonate of barytes, then of carbonate of ioda, as long as 
any praxipitate continues to fall i then leparate the 
Ditaie by filtration, .and evaporsje flowly nil the fait cryltalr 
li7.es • it is foluble in fomething lefs than three times its u-eight 
of water: fpecific gravity 2.1 zo. contains acid cz. foda 42, 
water of cryftaliiziiiun 6. Bir^Hian. 
Fixed, decrepitating in the fire dry, producing fi.lphate 
of foda when faturated with iulphunc acio, mixed 
with various earths. 
1, Muria terra mineralis. WalL *• ?• 54 - " 
2. Muria lapide mincralis. 2. 55. »• 3 ; , . 
Muriat of alumina. Thomfon chem- 2. /• 33 Aif-uaB 2. p. 56. 
Found in the AW/ Holt ’waters and in the falt-pits of SJ^urg, 
and is a coarfer variety of -he Inft from its being much mixed 
with gypfum, common mopld, clay i-md othei earths, its 
lalle is allringent. 
Fixed, decrepitating in the fire, forming muriate of potafs 
with fulphuric acid. 
Prouft teytr, 2. Chem. am. 3. p. 446- 
Muriated Tartarin. Salt of Sylvius. Knman 2. p 50. 
Muriate of Fotalh. Sdmeijfer mimral. 1 , p. 27S. 
Muriat of Potafs. ^hsvijon chem. p iy\- _ , , „ 
Found in the environs of ^adritl, and in fome mineral waters 
in Nermaiiefy: it has a difagreeable bttteiilh tafte, and when 
diflblved and cryftallized forms cubes which are often irre- 
gular- it was formerly known in the (hops by the name or 
fetri/uge or d,gejU<ve fait : fpecific gravity 1,836. contains 
acid 31. potafs 61. water 8. Bergniaa. 
Of an acrid punaent urinous tafte, when heated fublimir.g 
■ ^ Lto a white fmoke, rubbed with quicklime exhaling 
an alkaline odour, its cryftals deliquefcing in the air. 
Sal alcali volatili faturatum. Cronit. mineral. 132. 
Sal ammoniac. Kir wan mineral. 2 p. 53. 
Muriate of Ammonia. ScbmeiJJer nun. i . p. 278- 
Muriat of Ammonia, TkofH/onchem.Zn pn 324. 
Common Sal ammoniac. Berkenhout Outl. i. />• 233. 
1. Concrete in flowers or thin layers. 
Wall.fyst min. 2 . '■ 
2. Concrete in froall compaft mafles. 
" Wall. f/ft. min. z. p. "S. «• 2. , • • n 
Found in coal-pits in rarlous parts of Britain, but princinally 
■ Tn the interior parts of Jfta and .Africa, and in the neigh, 
boprhood of volcanos; rarely pure, white, and tranfparent, 
