Quartz has the value of 7 on the Mohs scale.
Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.
Quartz has a hardness of 7 on the Mohs scale, making it relatively hard and durable.
Minerals that have a hardness of 7 on the Mohs scale include quartz, beryl (which includes emerald and aquamarine), and garnet. These minerals are relatively hard and can scratch materials with a lower hardness rating.
This scale was proposed by the Austrian geologist Friderich Mohs.
It's called the Ore
Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.
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9 on the mohs scale
Quartz has a hardness of 7 on the Mohs scale, making it relatively hard and durable.
On the Mohs scale, 6.5 to 7.0.
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Minerals that have a hardness of 7 on the Mohs scale include quartz, beryl (which includes emerald and aquamarine), and garnet. These minerals are relatively hard and can scratch materials with a lower hardness rating.
The hardness of uranium is 6 on the Mohs scale; not so hard.
Iodine is not recognized as a mineral, and therefore is not assigned a number on the Mohs Scale of mineral hardness.
It is about 2.5 in the Mohs Hardness Scale.
look it up on the mohs scale
Glass is about 6-6.5