You too can own a gram of generic carbon nanotubes for $500. It's amazing the kinds of scams that Houstonites can come up with. 
The BuckyPlus brand of nanotubes will cost you $900 a gram.
What is the most valuable substance by mass that is readily available?

The BuckyPlus brand of nanotubes will cost you $900 a gram.
What is the most valuable substance by mass that is readily available?
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