Diamond is the strongest material know to man.
Diamond is much harder than gold.
it is harder to get than gold and the process is longer
Because there is less of them than gold and they are harder to mine.
Gold is very soft, almost useless for most engineering purposes. Diamond OTOH is the hardest substance known to man.
To burnish means to polish, and your question appears as though you want to use gold to polish a diamond. Since diamond is much harder than gold, if you attempted this task, you would simply burnish away the gold.
Diamond is harder than plastic.
Diamond is harder than onyx.
Diamond is harder than any metal.
No. Diamond is harder than emerald.
No, diamond is harder than enamel.
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
diamond