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The hardest naturally occurring gemstone in the world is the diamond. It is renowned for its exceptional hardness and is assigned a maximum hardness of 10 on the Mohs scale of mineral hardness. The Mohs scale is a commonly used system that ranks minerals based on their scratch resistance. Diamonds are composed of carbon atoms arranged in a crystal lattice structure, which contributes to their remarkable durability and makes them the hardest known substance. Apart from this you can also visit this site Cabochonsforsale to get more info.
James William
Wiki User
∙ 15y ago: Diamond is the hardest gem.
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: It is the only gem to rank a 10 on the 1 to 10 Mohs hardness scale. When we talk about "hardness," we're talking about a gem's ability to withstand scratching. As the hardest gem, diamond can scratch, or cut, any other stone, but only a diamond can scratch a diamond. : After diamond, the next hardest gem is sapphire. Even though sapphire ranks 9 on the Mohs scale, it is not nearly as hard as diamond.
: Neither diamond or sapphire, however, is the *toughest* gem. That distinction belongs to nephrite, a type of jade. Toughness measures resistance to breaking, and nephrite jade is tougher than both diamond and sapphire.
Wiki User
∙ 14y agoDiamonds are the hardest gemstone in the world.
Wiki User
∙ 13y agoMany say gold but it is not. The hardest type of gem is a diamond.........i love diamonds
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