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what is the strongest precious stone known to man?

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Is the diamond stone the strongest stone out of the precious gems?
asked Aug 1, 2015 by sweetnesslw (120 points)

2 Answers

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Diamond is the hardest stone.
answered Aug 2, 2015 by Weasel (58,240 points)
Correct. By being the hardest stone, it means that no other stone (or substance) will be able to scratch it other than another diamond.
0 votes
The diamond is the strongest stone. It's Mohs hardness is 10, which is maximum.
answered Aug 4, 2015 by Birthstones.eu (1,600 points)