The Moh's Scale measures hardness, from soft at 1 to hardest at 10. So galena scores low because it is very soft.
the hardness of galena on the Mohs scale is 2.5
Galena is listed at 2.5 on the Mohs scale of mineral hardness.
Mohs hardness scale
Galena has a hardness of 2.5 on the Mohs scale. It has a specific gravity of about 7.4. to 7.6. Galena is main mineral in which lead is found.
magnetite is harder than galena. Magnetite has a hardness just under glass, so around 5. Galena sits at around 4 on mohs hardness scale
It's called the Ore
5-6
the mohs hardness scale
On the Mohs scale of relative mineral hardness, diamond is the hardest at 10.
how hard is diatomite on mohs scale
The hardness is 3-4 on Mohs scale.
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.