| http://www.w3.org/ns/prov#value | - I have discovered that the n-diamond that Madden and folks find in abundance are a relatively new development and represent a hydrogen doped variant which is easily catalyzed by hydroxylated iron and nickel at temperatures above 1000 C. So what is required is a source of iron and nickel, water or ice, and either a carbonaceous body or some limestone.
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