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3.51g/cm cubed
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∙ 11y ago
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Is lonsdaleite the hardest material?
No, the hardest material known is diamond. Edit: Actually, diamond is only the hardest material which occurs naturally in macroscopic crystalline form. While the lonsdaleite found in meteorite craters has a Mohs hardness of about 7-8 (as opposed to diamond's 10), this is due to impurities and imperfections. It has been calculated that a pure lonsdaleite crystal would be 58% harder than diamond. Similarly, a crystal of wurtzite boron nitride would also be harder than diamond, although a method of producing such crystals is still to be found.
What natural mineral is harder than a diamond?
There is noneAnswer:There are two naturally occurring materials harder than normal diamonds:The first, wurtzite boron nitride has a similar structure to diamond, but is made up of different atoms. It is formed during volcanic eruptions that produce very high temperatures and pressures. Wurtzide boron nitride can withstand 18% more stress than diamond,The second, lonsdaleite, or hexagonal diamond is made from carbon atoms just like diamond, but they are arranged in a different shape. Lonsdaleite is sometimes formed when meteorites containing graphite hit Earth. It is estimated that lonsdaleite 58% more stress than diamond..
Can lonsdaleite be used for jewellry?
It could be used for jewelry, but since it is formed only when meteorites containing graphite hit Earth, it will be a very expensive material. Pray that it could be syntactically made in laboratories.
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 the mass of a sample divided by its volume?
Its density. Density is mass per unit volume.
What are the geometric shapes of the carbon allotropes?
Diamond,Graphite,Lonsdaleite, Buckminsterfullerene
Where can you buy the mineral lonsdaleite online?
Nowhere, I also searched the whole internet (3 google pages) but I didnt find it. However, I own a possible chunk of the material (113 grams). I searched for all of the features lonsdaleite contains and it seems that it all matches. bye
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 heaviest allotrope of carbon?
Some allotropes of carbon are diamonds, amorphous carbon, and graphite. While the density of diamonds ranges between 3.15 and 3.53 grams per cubic centimeter, graphite has a density that is between 2.09 and 2.23 grams per cubic centimeter. The density of carbon is 2.267 grams per cubic centimeter.
What is the one substance stronger than a dimond?
Lonsdaleite has been recently discovered by scientists,I mean who else has the time?
Is lonsdaleite the hardest material?
No, the hardest material known is diamond. Edit: Actually, diamond is only the hardest material which occurs naturally in macroscopic crystalline form. While the lonsdaleite found in meteorite craters has a Mohs hardness of about 7-8 (as opposed to diamond's 10), this is due to impurities and imperfections. It has been calculated that a pure lonsdaleite crystal would be 58% harder than diamond. Similarly, a crystal of wurtzite boron nitride would also be harder than diamond, although a method of producing such crystals is still to be found.
What are the uses of lonsdaleite?
It is a very hard naturally formed material that is 58 percent harder then diamond. btw my IQ is 140 :DIt is a derivative substance of graphite on meteorites when they hit the earth. The pressure and heat on the graphite turn it into lonsdaleite, when entering the earth's atmosphere. And my IQ is above 140 :P.
When is lonsdaleite softer than a diamond?
Lonsdaleite is formed within meteorites and found when the meteorites land on earth. This is another alltrope of carbon, but with a different -- Hexagonal dihexagonal dipyramidal -- crystal structure. It is always softer than a diamond, because a diamond's crystal structure maximizes the carbon's valance -- four -- into its rigid tetrahedral network of covalent bonds on eight sides.
What natural mineral is harder than a diamond?
There is noneAnswer:There are two naturally occurring materials harder than normal diamonds:The first, wurtzite boron nitride has a similar structure to diamond, but is made up of different atoms. It is formed during volcanic eruptions that produce very high temperatures and pressures. Wurtzide boron nitride can withstand 18% more stress than diamond,The second, lonsdaleite, or hexagonal diamond is made from carbon atoms just like diamond, but they are arranged in a different shape. Lonsdaleite is sometimes formed when meteorites containing graphite hit Earth. It is estimated that lonsdaleite 58% more stress than diamond..
What kind of molecule is the element carbon?
Carbon has a number of allotropes, (forms) Graphite - sheets of fused hexagons Diamond - giant molecule Lonsdaleite another crystalline form similar to diamond fullerenes- finite"spheres" with 5 and six membered rings of carbon and tubes They are all covalently bonded- most have delocalised electrons - exceptions are diamond and lonsdaleite Wikipedia article is not a good article but it does have some informative pictures
What are some of the hardest natural materials known to man?
Lonsdaleite, diamond, and wurtzide boron nitrid. http://www.newscientist.com/article/dn16610-diamond-no-longer-natures-hardest-material.html
Which is hardest material on the Earth?
For many years, scientists identified diamond as the hardest substance on earth. However, the girl's best friend has been surpassed by Wurtzite Boron Nitride (#1) and Lonsdaleite (#2). Lonsdaleite is not a natural earth substance, since it is composed of what is left after meteoroids strike earth. Wurtzite Boron Nitride has a chemical structure similar to diamond, but is strengthened by some additional chemical bonds forged within volcanos.
