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What scale do you use for hardness and what are the highest and lowest numbers?
Wiki User
∙ 10y ago
One of the best known scale is the Mohs scale. This is a purely ordinal scale for minerals and essentially states that a mineral with a higher Mohs value will scratch a mineral with a lower Mohs value. A mineral with a Mohs value twice as large is not twice as hard.
A low value is 0.2 for Cesium. Diamond with a Mohs value of 10 is a high value although nanocrystalline diamond exceeds that value.
Wiki User
∙ 10y ago
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