METALS. 85. Ferrum. 
272 
Found in the mines of Dinmark, S^ieden, Ncr’way, Laplani< 
Siberia, Bohemia, and Peru, in inafTcs, plates, giairs, or 8' 
lided ct’vftals: colour generallv iron-hlack, brown, Heel' 
grey, or bliiilh; it is hard, brittle, with commonly a little 
lullre, and breaks into indeterminate obtufangled fragments ^ 
it often contains above 70 percent, of iron. 
granuJaree Magnetic, of a granular texture and common form. 
Magnes granularis. Wall /yjl. 2. p. 235. n. 3. b.. 
Magnetic iron ftone. Schmetjjer miner. 2. f. 8g. 
Found in the iron mines of S-u,eden, and refembles the load- 
ftone except in it? texture. 
fbrosum. Magnetic, of a fibrous texture and common form. 
Karjien Lejke mineral. 1. p. 442. 
Fibrous magnetic iron Hone. Kimvan miner. 2 p. 160. 
Fibrous magnetic iron ftone. SebmeiJJ'er min. 2. p. go. 
Found in Snueden, of a colour between fteel-grey and bluifh' 
grey, with a little lullre, Opake, fofr, brittle, breaking intd 
indeterminate and not very obtufangled fragments : it gives 
a dark bluilh ftreak, and confifts of fine ftraight fafciclei 
fibres. 
squamosum. 
subtetra- 
tdrum. 
Magnetic, of a lamellar texture and common form. 
Karden Lejke mineral. 1. .446. 
Danz chem annul. 1785, 2 p. 426. 
Lamellated magnetic iron ftone. Schmeijfer z.p. 8g. 
Found in the mines of Nornuay, Siberia, and Rujjia, folid* 
fhining, of an iron black colour, and giving a reddilh 
ftreaft; it confifts of thick ttraight plates. 
Magnetic, black, in the form of cryftals. 
Found in the mines of Norway and Saxony, generally in a ma- 
trix of gneifs and accompanying copper pyrites : its cryftal® 
are generally double 4-fided pyramids, or 4 fided obliquan- 
gied prifms, or in 6-fided wedge-like figures, one end ter- 
minating in an acicular point, the other in an irregular 8' 
fided pyramid. 
hasalticum. Magnetic, browni(h-red, formed of flender columns ad- 
hering to each other and which are generally 
curved. 
Hacquet fehr, berl. natur. 4. t J. t. 3. I, 2 . 
Danz chem. annul. 178;. 2. p, 424. 
Columnar iron ore. Kirwan miner. 2. p. ipS. 
Columnar iron ore. Thomjon chem. 4. p, 60. 
