this question is stupid
diamond
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.
Diamond is the top of the Mohs hardness scale, ranked at 10.
The hardest mineral is diamond, which has a hardness of 10 on the Mohs scale.
Galena is listed at 2.5 on the Mohs scale of mineral hardness.
Rocks are made up of minerals, which can have varying levels of hardness. The only mineral to have a hardness of 10 is diamond.
On the Mohs scale of relative mineral hardness, diamond is the hardest at 10.
The Mohs standard hardness scale that was developed by Friedrich Mohs (1773 - 1839).
Talc is the mineral with a hardness of 1 on the Mohs scale.
Hardest - Diamond Hardness - 10
Diamond, with a hardness of 10 on the Mohs scale.
The Mohs scale uses the hardness of minerals to classify them from 1 to 10. It was named after the German geologist Carl Friedrich Christian Mohs.