The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.

The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.

This really explains fossils!

This really explains fossils!

A ponor is a natural surface opening that may be found in landscapes where the geology and the geomorphology is characterized by some kind of karst.

A ponor is a natural surface opening that may be found in landscapes where the geology and the geomorphology is characterized by some kind of karst.

agates+how+to+cut | Rockhounding for Arizona Fire Agate, Burro Creek, and the Colorado ...

agates+how+to+cut | Rockhounding for Arizona Fire Agate, Burro Creek, and the Colorado ...

Pinterest
Search