>>40504575That's the Steelix dex entry, you jackwagon
>>40504539More naturally forming explanations for OP
>Its body has been compressed deep under the ground. As a result, it is even harder than a diamond. >Tempered underground under high pressure and heat, its body is harder than any metal.>It is thought its body transformed as a result of iron accumulating internally from swallowing soil. >It is said that if an Onix lives for 100 years, its composition becomes diamondlike as it evolves into a Steelix. 
