World Record Name: The world's hardest natural material: diamond
World record holder: Diamond
World record fields: the world's hardest natural substance
World Record rules: the world's hardest natural substance
World record number: 20120200059
World Record valid: to record was broken up.
World Record Witness: No. 002 to Carrying the Flag Certification Division
World Records Source: World record library to Carrying the Flag
World Record Certification date: February 27, 2012
World Record Details:

       The world's hardest natural material: diamond. (Also known as the diamond, is not only the world's most beautiful minerals, is the world's largest hardness of the material can be used for a variety of cutting-edge science and technology fields.)