Chemical formula of diamond is C( carbon)
Physical Properties of Diamond:
| Properties | Details |
| Cleavage | None |
| Color | Typically colorless or ranging from white to various colors |
| Crystal Structure | Cubic |
| Density | 3.52 g/cm³ |
| Electrical Conductivity | Insulator |
| Hardness | 10 (Mohs scale) |
| Luster | Adamantine |
| Melting Point | Approximately 3,827°C (6,920°F) |
| Refractive Index | 2.42 |
| Thermal Conductivity | High |
| Transparency | Transparent to opaque |
Chemical Properties of Diamond:
| Properties | Details |
| Acidity/Basicity | Non-acidic and non-basic |
| Chemical Formula | C |
| Chemical Stability | Highly stable |
| Composition | Pure carbon |
| Flammability | Non-flammable |
| Oxidation | Resistant to oxidation |
| Reactions | Reacts with fluorine at high temperatures to form carbon tetrafluoride |
| Reactivity | Highly unreactive under normal conditions |
| Solubility | Insoluble in most common solvents |
Reaction of diamond
Alkaline earth metal
| Alkaline earth metal | Reaction |
| Calcium | 3Ca + 2C → Ca₃C₂ (calcium carbide) |
| Magnesium | Mg + C → MgC₂ (magnesium carbide) |
Transition metal
| Transition metal | Reaction |
| Iron | Fe + C → Fe₃C (cementite, a type of iron carbide) |
| Nickel | Ni + C → NiC (nickel carbide) |
| Cobalt | Co + C → CoC (cobalt carbide) |
| Chromium | Cr + 3C → Cr₃C₂ (chromium carbide) |
Non-transition metal
| Non-transition metal | Reaction |
| Aluminum | 4Al + 3C → Al₄C₃ (aluminum carbide) + 2Al |
| Silicon | Si + 2C → SiC (silicon carbide) |
| Boron | 2B + 3C → B₄C (boron carbide) |
Non-metal
| Non-metal | Reaction |
| Oxygen | 2C + O₂ → 2CO (carbon monoxide) |
| Nitrogen | 2C + N₂ → 2CN (cyanogen) |
| Chlorine | C + Cl₂ → CCl₄ (carbon tetrachloride) |
| Sulfur | C + S → CS₂ (carbon disulfide) |
Metalloid
| Metalloid | Reaction |
| Boron | B + C → BC (boron carbide) |
| Silicon | Si + 2C → SiC (silicon carbide) |