Kookaha Batroolka ee Graphite (GPC) Tilmaamaha: FC: 99% daqiiqo S: 0.05 ugu badnaan Dambas: 0.5% ugu badnaan VM: 0.5% ugu badnaan Qoyaanka: 0.5% ugu badnaan Cabbirka: 0.5-3mm; 1-5mm, 3-8mm, 8-30mm, 0-30mm Baakadaha: Bacaha Jumbo (Sida waafaqsan shuruudaha macaamiisha, waxaan ku siin karnaa qeexitaanno iyo cabbirro kala duwan.)