Glass is about 6-6.5
Quartz has a hardness of 7 on the Mohs scale, making it relatively hard and durable.
Glass ranks at around 5.5 on the Mohs hardness scale, making it harder than most materials but still susceptible to scratching by harder substances like quartz or corundum.
Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.
The hardness of the mineral pyrite, or Fool's Gold, is about 6 on the Mohs hardness scale. That's a little harder than a steel knife blade, but not as hard as the mineral quartz
The Mohs scale rates the relative hardness of minerals on a scale from 1 to 10. Glass typically falls between a 5 and 6 on the Mohs scale, while iron is harder and falls between a 4 and 5.
No, apatite cannot scratch glass because glass ranks higher on the Mohs scale of mineral hardness than apatite. Apatite has a hardness of 5 on the Mohs scale, while glass has a hardness of around 5.5, meaning glass is harder than apatite.
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9 on the mohs scale
Flint is a type of Quartz, and Quartz is a 7 on the Mohs Hardness Scale
A typical steel knife would be in the 5-5.5 range on the Mohs scale.
On the Mohs scale, 6.5 to 7.0.
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