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The second hardest substance in the world is mineral lonsdaleite, or hexagonal diamond. It's made up from the same materials as diamonds, but it has a slightly different structor. Mineral lonsdaleite is extremely rare in nature.

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What is the hardest naturally occurring substance in the world?

Diamond use to be the hardest known natural substance now it is the mineral lonsdaleite at 58% stronger then diamond is the first the second hardest is wurtzite boron nitride at 18% stronger then diamonds they are both extreamly rare natural minerals sources http://www.newscientist.com/article/dn16610-diamond-no-longer-natures-hardest-material.html


Is stpm one of world's hardest exam?

STPM is considered tough due to its rigorous syllabus and examination format. However, whether it is one of the world's hardest exams is subjective and may vary depending on individual perspectives.


Hardest material on earth?

The hardest material in the world is Wurtzite, it is very much same as that of a diamond but is more complex than diamond and thus makes it stronger than diamond. Wurtzite boron nitride becomes 80% stronger after the re-orientation process, and this makes it the hardest substance found on earth.


What are the top 10 hardest firms in the world?

More information is needed to properly answer this question. The top 10 hardest firms in the world is too broad. Do you mean the hardest firms to get hired by, the hardest firms to work for, the hardest firms to sue?


Is metal one of the hardest material in the world?

Metal is generally considered a hard material, but it is not the hardest material in the world. There are materials like diamond and boron nitride that are much harder than most metals. Hardness is a measure of a material's resistance to scratching or indentation, and different materials have different levels of hardness.

Related Questions

What is the hardest naturally occurring substance in the world?

Diamond use to be the hardest known natural substance now it is the mineral lonsdaleite at 58% stronger then diamond is the first the second hardest is wurtzite boron nitride at 18% stronger then diamonds they are both extreamly rare natural minerals sources http://www.newscientist.com/article/dn16610-diamond-no-longer-natures-hardest-material.html


Is ice the most hardest thing in the world?

No, diamond is the hardest known natural substance in the world.


What is the second hardest substance in the world?

Diamond is the hardest substance in the world, but the second hardest substance is boron nitride. It is often used in high-temperature and high-friction applications due to its exceptional hardness and thermal stability.


What is the hardest most valuable and most expensive natural substance in the world?

diamond


Which is te hardest subatance in the world?

Diamond is the hardest substance in the world


What is the second hardest rock in the world?

Diorite is the second hardest rock in the worl - Vellond


Which is the hardest substace available on earth?

Diamond has always been considered the hardest natural substance in the world. However, wurtzite boron nitride and mineral lonsdaleite have recently been discoverd and are much harder than diamond.


What is a 7 letter word for a hard substance?

One possibility is the word diamond. Diamonds are the hardest substance in the world.


What is the harest thing?

What do you mean? the hardest element? Carbon in the form of diamond is the hardest substance in the world, followed i think by tungsten which is what they use to make lightbulb filaments with!


What is the second heaviest substance in the world?

iridium


Can a diamonds rot?

No, they can't rot because they are the hardest substance in the world. Diamonds are created when extreme heat and pressure, compress a substance such as coal into a hard rock.


What is the natural increase per second in the world?

what is the natural increase per second on the earth