diamonds
diamond
this question is stupid
The scale used to measure the hardness of a rock is called the Mohs scale. It ranges from 1 (softest) to 10 (hardest) with each level representing a different mineral's ability to scratch another.
Granite is not assigned a number on the Mohs scale of hardness. The Mohs scale is a measurement of the relative hardness of minerals. Because granite is a rock composed of a variety of minerals, only the individual minerals which compose it have a Mohs hardness.
Talc
Diamond, with a hardness of 10 on the Mohs scale.
Diamond is the top of the Mohs hardness scale, ranked at 10.
"Andesite" is a rock type not a mineral (it is made of a mixture of minerals). Mohs scale relates the hardness of individual MINERALS not ROCK TYPES and thus your question can not be answered.
where is rock salt on the moths hardness scale
The hardest mineral is diamond, which has a hardness of 10 on the Mohs scale.
On the Mohs scale of relative mineral hardness, diamond is the hardest at 10.
This scale is correctly called the Mohs scale. Scientists use this scale to measure a rock's hardness or softness. They can discover how hard a mineral or rocks is and drill in to it and find out more about it.