Physical and Chemical Properties of Diamonds
Physical:
- Hardest substance in earth's existence - can scratch things and can only be scratched by other diamonds
- Solid
- Colours can range from white to blue, green to pink- even black (not always clear), but that means it contains impurities/ defects (flaws)
- Transparent - high clarity
- Not malleable
- Odourless
- High lustre
- Comes in different shapes
- Will shatter if hit with hammer - brittleness
- Not ductile - cannot be shaped, moulded or stretched
- Not viscous - no viscosity
Chemical:
- Chemical stability: not very reactive, even to strong acids and bases
- When heated in air or oxygen (700 degrees to 875 degrees Celsius), burns with production of carbonic acid
- Surface only can be oxidized a little by few oxidants at high temperature; acids and bases can be used to refine (improve, purify) synthetic (artificial) diamonds (diamonds not made naturally)
i think this is true but could you also post something on cleavage and fractures. they both confuse me.
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