Naturally occurring means that people did not make it. Steel is not a mineral because it is an alloy produced by people. Inorganic means that the substance is not made by an organism. Wood and pearls are made by organisms and thus are not minerals.efinite chemical composition means that all occurrences of that mineral have a chemical composition that varies within a specific limited range. For example: the mineral halite (known as  rock salt  when it is mined) has a chemical composition of NaCl.
Cyanocobalamin injection is in a class of medications called vitamins. Because it is injected straight into the bloodstream, it can be used to supply vitamin B12 to people who cannot absorb this vitamin through the intestine.
Define cyanocobalamin. cyanocobalamin synonyms, cyanocobalamin pronunciation, cyanocobalamin translation, English dictionary definition of cyanocobalamin. n. See vitamin B12. or n a complex red crystalline compound, containing cyanide and cobalt and occurring in liver: lack of it in the tissues leads to...