309 METALS. 93 . Arfenicum. 
Y"llow fuIpharTcd arfenic. Schmei£er 2, p. 265. 
Oip ent. -fhomfon chem 4 p. 102 
Fou ’ll' Great Britain. Hungary, Georgia, Turkep, &c. maL 
five d:fleminatpd, or in fmall imperfeft cryilals ; colouf 
vari us ftiades of yellow, with a tonfiderable waxv luftre and 
fome tranfparcncy : llreak orange vellow , not metallic ■' 
texture foliated, with the plates moft y curved or uneulatei 
rarely ftnate, a little flexible but not elaftic; cfferveices wi th 
hot r.itric acid, burns with a bluifh flame, and bef re the 
blowpipe evaporates leaving behind a fniall portion of earth : 
fpeciiic gravity 3,048. to 3,521. 
SanJaraca, Somewhat ponderoii.s, red with an orange-yellow ftreak, 
in ftrai.ht foliations, melting tafily before the blow- 
pipe burning with a blue flame and white arfenica! 
vapours. 
Arfenicum rubrpm. Sy^. nat, xii. 3 p, 1 17. «, 4. 
Arfenicum rubrurn. Wall fyst. 2. p. 163. n. 4. 
Realgar, Ktr^an min Z.p.ibl. 
Ruoy arfenic. $chme:Jfer mine'-, z,p. 267. 
Realgar. Thom/on ebem. 4. p. t02. 
Found in Sicily. Naples, Hungary. Bohemia, China, Japan, &-C' 
mafiive, difli-minated, fupeificial, or cryftadizev. in fmall 
acutangled quadr ngular or acicular prifms ; colour anrora- 
red, ruby, Icarler, crimfon, or blood-red, often variegated 
with yellow traces : texture lamellar, with the foliations a 
little flexible and lo fofr as to be cut with a kn fe, and fre- 
quently exhibiting a brilliant lullre ; llreak yellowifh-icd, 
powder fcarlet; in nitric acid it lofes its colour : fpi cific 
gravity 3,338, 
sulphur^tum Hixi, blnifh-grey with metallic liiftre, before the blovy- 
pipe emitting white arfenical vapours and blue ful- 
phurons flames. 
Arfenic. cir.creo ccerules. Syll. nat. xii. p. 11 8. n. 5, 
A fenic. cinerco-coerules. 'Wall.Jyft. 2. p. 167. n. 8. 
White mundic. White pyrites, Mircafite. Berk. fyn. 
Pyritical arfenical ore Schmei/ser miner, z. p. 268. 
Arfenical pyrites. Tbomfon chem. p lot. 
Found in various parts of Great-Britain, Germany, Smeden, 
Bohemia, Saxory, tec. in irregular iiiiifl'es, difl minated, in- 
velling, or cryftallixed in cubes or 4-fided prifms: colour 
greyim whit:', often a little variegated: texture uneven, 
fometimes granular, fometimes lamellar or radute; when 
rubbed it gives the odour of garlic: fpecific gravity 6,^22- 
contains arfenic ,53,0, iron 19,7, fulphuri5,3. filica iz,0" 
H nu^uelin. 
