Find out about the scale that measures how hard tourmaline is, and reveal its attractive features. Be ready to know about everything on tourmaline hardness.

The Mohs Hardness Scale is often used as a first step when classifying rocks and minerals.

It's essential for contractors cutting and grinding concrete to choose diamond blades and abrasives based on the aggregate hardness of their geographical area.

Scientists measure hardness in a few different ways. Geologists often rely on a comparative metric called the Mohs hardness scale, a way to identify minerals in the field based on whether they can ...

Bond Work Hardness Indices are a measure of the amount of work required to reduce a rock in size, in order to liberate the individual graphite flakes.