metals. 85 . Ferrum. 273 
Found in Bohemia, Franconia, Sec. generally in large (Irata, 
confifting of columns which are eaiily feparable, fometimes 
jointed, and with their furface rough: it (lightly ftains the 
fingers, feels dry, adheres to the tongue, founds hollow 
when ilruck, blackens before the blowpipe, elFervefces with 
borax and gives it an olive-green and blackilh tinge, 
’^‘oaceum. Not magnetic, iron-greyj (hining, of a lamellar te#- 
ttire. 
Ferrum micaceum. rwt. Xii. 3. i 39- 
Ferrum ininera micacea. Wall, fiji- 2 /. 242. ». 8. 
Micaceous iron ore. Kir-ican mm 2 p. 184. 
Micaceous iron ore. Schntetjjer mineral 2. f. 87. 
Brown fcaly iron ore. F'homfon ehem. i,. p S7* 
Foliated oxide of iron, Sonuerby Brit min. t. 64 . 
Found in Wales, Scotland, Cornncall, &c. in Siberia, Lapland, 
Srweden, Hungary, and Other part- ot Europe, malTive or dil- 
feminated, varioufiy gouped. or cryftallized in (mall 6- 
fided tables: colour bright iron grey, bluiih, or approaching 
to black : the foliations are brittle, (Iraight or incurved, and 
rarely preftnt a granular concretion ; it feels fomewhat 
gre- fy, and does not (lain the fingers: fpecific gravity From 
4.500. to 5,070. 
’Ptculare. 
Not magnetic, compaa, of a fteel-grey colour and luftre, 
with a red (treak, internally fpecnlar. 
Fer^ urn niinera grifea. Wall >/?. 2. p. 239. «. 6. 
Specular iron ore, Kirwan miner: 2. p \b 2 . 
Specular iron ore, or mii ror ore. Schmeifser 2. p. 80, 
Specular iron ore. ^ homfon chem. i, p r,i,i ^ 
Cryftallized oxide of iron. i.O’werbj Brit vitn, t, 66. 
2. Reddilh, ftriking fire with fteel, folid, ftriate in a rhombic 
manner. 
, Ferrum rubricans. Syft, nat. xii. 3. p. 140. n. 20. 
Reddifli. with ere A cryftallized foliations in tho hollow in- 
terllices. .. 
Ferrum ccllul-fum- Syft. nat. xii. 3. p. 140. «. 21. 
Cryftallized oxide of iron. Sonsserby Br. mm. t. 66. 
Found in the mines of Lancajhire. m the illeof 
France, Ruff.a, &c. m.ftive, diffeminated, or crvftallized, 
colour dark grey or inclining to brown, the furface ofnn 
tarniftied anJ exhibiting various iridefcent colours ; cryft^s 
cu ic or rhombic, or in flat 6 or S-fided lahles, or ,n pr, m 
and pyramids, often cellularly difpofed in thm erea angular 
rlates^ it gives a dark-red lire .k, and blackilh-rcd powder i 
VOL. VII. — Mm 
