there are many common uses for a diamond. such as in mechanical parts, in instruments for laboratories, cutting tools, and to manufacture fine wire, and it is found in alot of jewlry.there are probably many more but these are some that i know of.
Diamond is the allotrope -- of carbon.
A diamond polishing wheel used by a diamond cutter uses diamonds to polish and hone the gem-quality diamond's cut.
It takes exactly 1562 uses to use up a Diamond Pickaxe.
just 'diamond'
Yes, the noun 'diamond' is a common noun, a general word for any diamond of any kind.
CCI4 is not a common notation for a diamond.
Yes, graphite is more common than diamond.
A diamond tool has 1562 uses before it breaks.
Pumice is ground up to form an abrasive. Obsidian was used by indians to make arrow heads.
Diamond chips can always be used for finishing and polishing other diamonds.
The word diamond is a common noun because it is the word for any diamond. The Hope Diamond is a proper noun because it is a specific diamond; Diamond Head in Hawaii is a proper noun because it's the name of a specific place.