sjS ^lETALS- 93^ Arfenicuna. 
Foaivd Its t1v« Nizgyag ssiine of 'Tren^l-uarJa, diiTeuimated o*' 
cryitallizea in finall 4 fided priflnss fraflure in onedirelSioO 
folieled, in the other uneven; contains tclIuriuHi 44,75* 
gold 36,75; ®9;50-; S&cr 8,50: fulphur 0,50* 
Klaproth. 
kratUatJm. Between lead-grey and irois-black, in flexible plates or 6- 
iided tables, with very little metallic Itiftre. 
Aurum ’oTaaeatuin. ^mel fyit. nat. k. ii. 
Foliated Teiluriusi. ^hon^onibem. 4. 99- 
Found at Nagpegyu TranJ^-vnnia^ and is wrought for the gold 
which it contains; it is foJable in acids with efiervefcence* 
fpecific gravity S,gt8. contains lead 54,0; teliurium 32»** 
gold 9,0, liivero.j. copper 1,3, jQIver3,o. JHaprath. 
9J» ARSENICUM. Blullh-white ibon becomiOo 
black and falling to powder in tlie air, foft, ex- 
tremely brittle, fpeciik gravity S, 3 10: foblim' 
tng without meking in a rnoderate heat in * 
white powder emitting a ftrong Imell refembling 
garlic: its fublimed oxyde giving an acrid tafte 
to water and turning vegetable bines red, when 
diflblved in muriatic acid and a watery folution 
of Sulphurated bydrogene be poured into it pre- 
cipitating a fine yellow powder. Arfenii- 
mAnsaa. Uncemabined, wifh metallic lulire. 
Anfeajcuni natiiwin. Gronft. miner. 237. 
Naiiw arienic. Rerieaheut Jyru p. z68. 
Native arfeuic. Kirewan miner. 2. f, 255. 
Native asrfeaic. Sehme^er min. z. p. 262, 
Native aitfenk:. WHamjaa them. p.ioo. 
*. SepaTatJngiiito {pherical incruftaitons. 
Arfaiicans Kudum. Sji^. not. xii. 3. p. 1 17, «. i. 
Arfeaicaisa mativum. z. p, i6z. a. 
2. With snlcaceuBs particles, 
xat. xiL 3./. 16}. », s. 
3. Friable tind parous, 
Sm. eat. xii. ^.p.i\j. «, 5, 
M^aM. Qst. miuer. z, p. i 6 i. a. 2. 
