⚒️🏛️ First geological museum in Romania, with more than 25.000 samples of minerals, gemstones and rocks from all over the world. 📷💎
Mohs Hardness Scale 3D Models
Mohs' scale of mineral hardness was created in 1812 by the German mineralogist Friedrich Mohs.
Mohs' scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. For instance, if you scratched a diamond along a pane of glass, the glass would scratch and it wouldn't harm the diamond in any way.
Mohs' scale of mineral hardness is a purely ordinal scale with, for example, Corundum being twice as hard as Topaz, but Diamond almost four times as hard as Corundum. So, a diamond is the hardest substance known to man.
Using ordinary materials of known hardness can be a simple way to approximate the position of a mineral on the scale.
1 Talc
2 Gypsum
-- 2.5 Fingernail
3 Calcite
-- 3.5 Copper coin
4 Fluorite
5 Apatite
-- 5.5 Window glass/Knife blade
6 Orthoclase Feldspar
-- 6.5 Steel file
7 Quartz
8 Topaz
9 Corundum
10 Diamond