METALS. 92. Tellurium. 
297 
Found \n Bohemia, Saxony, Dauphiny, and Hungary, h is totally 
foluble in nitro-muriatic acid, decrepitues in the fire, an ^ 
eafilv melts when powdered, evaporating in a white tao-e . 
with borax it leaves a metallic bead : according to Klaproth 
it is nothing more than a white oxyde of antimony, contain-^ 
ing, oxyde of antimony Si6, oxydes of antimony and iron 3, 
filiea 8. 
02. tellurium. Bhiin> white, fofr, very brit- 
tle and eafily reducible to powder, of a lairellar 
texture, fpecihe gravity 6,115: mcltmg m a 
heat fomewhat above the fufing point of leadj 
and if the heat be a little increafed boding and 
evaporating, attaching itfelf .n brilliant drops_ to 
the upper part of the retort ; before the blowpipe 
burnino- with a lively blue flame, the edges of 
which are green, and at laft evaporating m a 
white fmoke fmelling like radifhes; partly folu- 
ble in concentrated iulphuric acid and giving the 
folution a ciimfon red colour, which pienpitates 
a white powder on the addition of a large quan- 
tity of water. 
Soft, Heavy, fomewhat tlu£ble, with metallic luftre. 
Svlvanite. Kir-ixan mtmr. 2 .p- 324. 
•MaHve tellurium. Thom/on chem^ 97 * . 
H in the mine oi MarieJn f m the Faceha-^ mountains of 
^""Tra-Bhania, msffive and diffeminated : contains tellurium 
92.53. iron T,iO. gold 0,25. Klap,oth. 
or .i- or inclinins: to yellow, foft, brittle, ftaining a 
S ap icum. prilmatic cryftals otten grouped in fuch 
a manner as to refcmble written char-aers. 
Oranhic Tellurium, namfon chem. t . . 
Found in the Francifom mine at Offenhan.a m Franryhama, 
whh metallic luftre: fpecilie gravity 5 , 7 ^ 3 - contains tellu- 
riam 6o, gold 30. Hlver 10. Klaproth. 
Silver- white paffing into brafs yellow, foft, heavy, fome- 
what duaile, with metallic luftre. 
White tellurium. Fhomfon cheni. 4. p, 98, 
VOL. vn. — P p 
