| the united states | 0.40 |
| large quantities | 0.37 |
| russia | 0.28 |
| mexico | 0.25 |
| greenland | 0.25 |
| india | 0.25 |
| vein | 0.25 |
| extract metal | 0.49 |
| conduct electricity | 0.48 |
| lead raw material | 0.45 |
| target growing global g… | 0.36 |
| plated with nickel | 0.36 |
| crystallize in hexagona… | 0.35 |
| use for nuclear reactors | 0.35 |
| form streak | 0.35 |
| call meta-anthracite | 0.31 |
| use two techniques | 0.28 |
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| layered structure | 0.39 |
| two kinds | 0.35 |
| high melting point | 0.33 |
| same chemical compositi… | 0.31 |
| property | 0.28 |
| fuel cells | 0.26 |
| two dimensional lattice… | 0.25 |
| cryptocrystalline | 0.25 |
| good thermal conductivi… | 0.24 |
| good chemical stability | 0.22 |
| More » |
| mineral | 0.45 |
| an allotrope of carbon | 0.44 |
| stable form of carbon | 0.36 |
| pure carbon | 0.33 |
| third modification of c… | 0.31 |
| carbon | 0.65 |
| sheets of graphene | 0.35 |
| formed | 0.67 |
| used as lubricant | 0.64 |
| mined | 0.59 |
| used in pencil | 0.58 |
| mixed with clay | 0.51 |
| discovered | 0.50 |
| used in battery | 0.48 |
| used in other industria… | 0.41 |
| formed by crystallized … | 0.40 |
| mined by both open pit | 0.39 |
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| the coin cell tests | 0.28 |
| mining machinery | 0.25 |