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❓ Did you know ❓ With a hardness of ten on the Mohs Scale, diamond is the hardest natural substance...
Langerman Diamonds❓ Did you know ❓
With a hardness of ten on the Mohs Scale, diamond is the hardest natural substance. Diamonds are so hard that the only tools that can be used to cut a diamond must be made from another diamond.
With a hardness of ten on the Mohs Scale, diamond is the hardest natural substance. Diamonds are so hard that the only tools that can be used to cut a diamond must be made from another diamond.
