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Which is the second hardest substance after diamond on earth?
The second hardest substance after diamond on earth is cubic boron nitride. It is often used as an abrasive and cutting tool material due to its exceptional hardness and thermal conductivity.
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 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
What is the second hardest material found in nature?
Diamond is the second hardest material found in nature. It was always thought to be the hardest, but scientists have recently discovered a material called Ionsdaleite which is 58% harder than Diamond.
What is the second hardest natural substance on earth?
The hardest substance that is naturally occurring is a diamond. However, there are harder substances that have been made by scientists in labs.
Except diamond what is the second hardest thing in the world?
acctually the hardest thing is nanocrystalline diamond but after diamond it is boron and titanium dioxide. if you are refering to what is just lower than diamond on mohs hardness scale 10 diamond 9 corundum 8 topaz 7 quartz,6 feldspar 5 apatite 4 fluorie 3 calcite 2 gypsum and1 talc
Which is the second natural hardest substance in the world?
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.
What is the second hardest mineral on the Mohs scale after diamond?
On the Mohs scale of mineral hardness, corundum is listed as a 9, below diamond which has a rating of 10.
What is the second hardest rock on earth?
The second hardest rock on Earth is quartz. It ranks below diamond in terms of hardness on the Mohs scale.
What is the 2 second hardest gem stone?
Hardness is the resistance of a gem to scratching and abrasion. It is one of the key qualities of a gemstone. Diamond is the hardest gemstone. The second hardest gemstone is corundum (ruby and sapphire).
What is the difference between prefinished and unfinished flooring?
The factory seals the prefinished hardwood floor with many coats of finish. Aluminum oxide, the second hardest substance after diamond, is commonly used in finish coats to produce a long-lasting protective finish.
What is the balanced formula for CrN2?
The formula is CrN. It is called Chromium nitride and Chromium(III) nitride. Chromium also forms second interstitial nitride, dichromium nitride - Cr2N
