It is necessary to mention the purity of the graphite, the physical form (powder, granules, rods, electrodes, etc.) and the quantity. The prices are extremely variable and strongly depends on the characteristics. For a common graphite the price per gram is near zero.
About $2500 a ton
Cost, pure: $320 per 100g
About 25 dollars for 2 gallons
A lot. Isotopic copper ranges from 1,300 to over 3,000 euro per gram.
A gram of kevlar thread will cost about 50 cents to a dollar. You can normally buy it in spools of thread, that can be used to make vests or hardened clothing.
2.00
cost= $60 per gram
It costs 1.20$ per gram
Xenon costs about $12.00 per gram.
Cost, pure: $320 per 100g
About $30 per gram
$00.10 per ton
No price, the price has no sense in this case.
Methamphetamine cost about $80-$120 per gram depending where you are in the country.
Depending on the form of the carbon, it could be VERY cheap, or VERY expensive. In the form of charcoal or carbon black (soot), or even graphite, it would cost less than 1 penny per gram. However, carbon can also take the form of DIAMOND- which may cost thousands of $$$ per gram.
About $5 per gram.
about 10,000 pounds per gram
about 25 dollars per gram