o·zo·ce·rite 
(ō′zō-sîrīt′) also o·zo·ke·rite (-kîr-)
(ō′zō-sîrīt′) also o·zo·ke·rite (-kîr-)n.
A yellow-brown to black or green hydrocarbon wax, found in irregular veins in sandstones and used in making electrical insulation and polishes.
[Greek ozein, to smell + Greek kēros, wax + -ITE1.]