black lead Definition

graphite, plumbago, pencil lead, graphitize, red lead, chrome yellow, chloropal, miniate, naples yellow, chlorophane, colcothar, sandix, osmiridium, cadmium yellow, chromophane, nigrine, fire opal, chrome red, pyrophoric alloy, ripidolite, giallolino, boneblack, iceland spar, eschynite, cauk, stannine, coffinite, chrome green, freieslebenite, euxanthin, red earth, metallochrome, ureilite, minargent, aluminium bronze, indian red, annabergite, verditer, tungstite, pencil, zaffre, berylloid, pincoffin, phyllocyanin, gahnite, mosaic gold, euclase, pleonaste, tula metal, luteo, boulangerite, visual purple, smaltite, strontianite, glaucophane, rhodophane, schreibersite, aluminiferous, speculum metal, kobellite, atomic pile, bournonite, warwickite, oxalite, aluminium oxide, blue john, red brass, pyritology, luteocobaltic, metallochromy, phycochrome, nile green, aluminothermy, gridelin, stannite, datolite, magnalium, olivenite, xanthous, berthierite, liroconite, viridite, bell metal, aciculite, indian ink, corundom, britannia metal, brunswick green, submetallic, xanthogenic, achromic, putty powder, allophane, pigment, turacin, sinopite, xanthic, skutterudite, tyrolite, thortveitite,