SALTS. 72i Vitriolumi 225 
\ 
Green, its watery folution depofiting an ochraceoiis fedi- 
ment when mixed with a folution of foda, and a blue 
one with pruffiatc of lime, made blackifli by tindure 
of galls. 
Vitriolum martiale. Si/f. ra?. xii. 3. 104. ». 1 . 
Vitiiolum fcni. WalLfyst. 2. p. 22. ?u 2 . 
Vitriolum raartis. Cro«J>. 122. 2. i. i. i. 
Green vitriol. Berkenhout Outl. p- -^SS- 
Vitriol of iron. Kirovan mineral. 2. p. 20. 
Martial vitriol Schmtiffer miner, \.p.ZJ 2 . 
Sulphatof iron. 1 hom/on chem. 'i- p. 
Sulphate of iron. Sonxierhy Brit. mth. t. z^. 
Found in Britain and Various parts of the continent, m grottosj 
caverns, and galleries of mines, in the form of pale green 
cryftals, or in a grey or yellowilh or reddilll-grey effloreL 
cence, or ftalaftitical or capillary, and moft commonly mixed 
with copper zinc or alum ; it is alfo found in fol^ution ; when 
pure it cryftallizes into rhomboidal green tranfparcnt pnims 
which are infoluble in alcohol: when heated it melts, gra- 
dually lofes its water of cryftallization, and with a ftrong 
heat there remains a red powder formerly known by the name 
oi colcothar of vitriol: fpecific gravity 1,8399. contains acid 
39. osyde 23. water 38. Bergman. 
tty 
"’'ium. Combined with earth, its watery folution made blackifli 
by a mixture of tindlure of galls. 
Vitriol, terra inineralis. IV all. fyji. z. p.zo. 
Found in Italy and Hungary, of a yellow, red, blue, green, or 
black colour: the earth with which it is mixed is generally 
argillaceous. 
■^‘’■amen. Mixed with flones which are not fhirtofe, its watery foln- 
'trium. tion made black by a mixture of tinfture of galls. 
Vitriol, roineralis. lap. Syu. not. xii. 3. p. 106. «. 8. 
Vitriol, lap. minerahs. Wall.fyfi. 2. p. 27. n. o. 
1. Of a red colour. Calcitts. 
2. Of a grey colour. 50 ) 9 ^: 
2. Of a black colour. ¥elanteria: 
^ \ 
4. Of a yellow colour. Mify. 
Found on mount Rammeljlurg m Hereynia, and is produced by 
pyrites which have mouldered m the air. 
VOL. vn. — F f 
