The Mohs Scale of Hardness determines the hardness of minerals by scratching them with commonly found objects. The minerals are assigned a number which corresponds to their hardness; higher numbers indicate higher hardness.
Mohs hardness scale
mohs
Nope. It is actually the hardness. I'v been trying to find out what the Luster scale is myself....:S
The Saffir-Simpson scale.
Diamonds are the hardest mineral/gem in the world but they are brittle. The next step down from diamonds are sapphires and rubies. They arent brittle and are quite hard. On a scale of 1 to 10, diamonds (#10) being the hardest, sapphires rank 9. For more on the scale I used. Google MOHs scale of hardness
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.
The Saffir-Simpson scale
No, just the hardness.
Nope. It is actually the hardness. I'v been trying to find out what the Luster scale is myself....:S
Synthetic diamonds and real diamonds both have the same level of hardness. They both rank 10 on the Mohs scale of hardness.
You can see in the link, below, that a diamond is ranked as 10 on the Mohs scale of hardness, while a sapphire is ranked as 9. The Mohs scale ranks the hardness of minerals.The Mohs scale is an ordinal scale, meaning -- from Wikipedia:"Rank-ordering data simply puts the data on an ordinal scale. Ordinal measurements describe order, but not relative size or degree of difference between the items measured. "
Yes it is. They are essentially compressed carbon; when the carbon is at a very high temperature and under very high pressure, the bonds are formed. Natural diamonds are made 180km below the earth’s surface. The temperatures at this depth are between 1100o c and 1400o c. Diamonds rank 10 (the highest) on the Mohs scale, range from transparent to opaque and is not affected by any chemicals.
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Levels Levels
The Saffir-Simpson scale.
Diamonds are the hardest mineral/gem in the world but they are brittle. The next step down from diamonds are sapphires and rubies. They arent brittle and are quite hard. On a scale of 1 to 10, diamonds (#10) being the hardest, sapphires rank 9. For more on the scale I used. Google MOHs scale of hardness
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.
Richter
Hierarchical scale.