METALS. 85. Fcrrum. 



275 



FouFid in various parts of Eng/an^ znd Scotlaridt particularly in 

 I.ancaf/jirey in RuJ/tJ, Siberia and Other parts of the continent, 

 mallive, difleiiiinated,, nodular, botryoidal, tabular, cellular, 

 tubul:\r, or ilala(51icical ; hard, compad, fibrous or radiated, 

 wnh the fragments usually fpHn'ery or wedge ftiaped ; the. 

 iihres are tfellate, or fometime^ in diftindl coumns: colfur 

 varying from black to yellow, with the lurface often varie- 

 g^ti^d, and fumetimes marked with fhrublike ram..fications : 

 ipecific gravity from 3,423. to 5,005. 



,compacium„ Not magneiic, compact, opake, with a red or yellow 



ftreak. 



H^Kmatites folidu?. Wall, fyd, z p, 244. n. IC--I2. 



Compad red iron llcne. Ktrnvan miner. 2. p 170. 



Coinp.-iiJ'}: red iron Wojxz, Schmeifser min. 2.. p. 93. 



Compafl red iron ore, Thojnf n chem. 4. /•. 56, 



Found in Lancajhire^ Siheriat Saxony^ Bchemiat &c. mafTive, 

 diff-mindted, or v^rioullv imitative, fome.ime.s forming beds 

 or veins: colour between brownifh red and fteel-grcy ; frac- 

 ture even or unever, fomctimes imperfedlly flaty or con- 

 choidal : it ftains the lirgc-rs, blackens before the blowpip^e, 

 and gives ayellpuifh ^rcen tinge to borax: fpecific gravity 



spat sum. 



iilii 



iceum. 



Not magnetic, lamellar, effervefGing with acids, .crack- 

 ling and biackeriing before the blowpipe, breaking 

 into rhomboidal fragments. 



Fer: um fpatofum. Syft.nut, xii. 3. p. 141. «. 26. 



Ferrum calc.lapid. inhaer. Wall, fyft, 2. p. 251. ». 16. 



Sparry iron ore. K:r~jcan miver. 2. p. 190. 



Spatous iron Hone. SchmeiJJer min. 2. /. 99. 



Sparry iron ore. Thomjon chern. 4./). 62. 



Pearl Ipar. So-werby Brit. min. tab. 19. 



Spathofe iron ore. Sonxerly Brit. ?nin. f, 62, 63. 



Found in .various parts of Gn^t- Britain ana Europe, fometimcs 

 maflive, .or dJfleminatedj or in imall cryftals: colour when 

 freih white, but gradually tarnifhing to red, brown, yellow, 

 bluifli, or variegated : ilreak ^rcy or whitifh : fragments 

 rhomboidal, with often a perlaceous or fatty luilre: it is foft 

 and can eafiiy be fcraped with a knife, foluble with fome ef- 

 fervefcence in acid , and decrepitates and becomes bUckifh 

 and magnetic before the blowpipe : fpecific gravity from 

 3,600. to 3,810. contains iron 38, carbonate of lime 38, 

 mangiaefe 24. Bergman, 



Not magnetic, flriking fire with fteel. 

 Sinople, Cronit, mineral, 54. i. 65. 



M m 2 



