Hardness is 7.5 to 8
Emerald has a hardness measure of 7.5-8 on Moh's scale of hardness.
You can determine whether a ruby or an emerald is harder by using the Mohs scale of mineral hardness. Rubies have a hardness of 9 on the Mohs scale, making them harder than emeralds which have a hardness of 7.5 to 8.
The hardness of an emerald on the Moh's Scale is 7.5-8
About 5 on Moh's hardness scale.
The hardness of conundrum is 9 on the Moh's hardness scale
It depends on the deposit. What deposit are you talking about? What measure of hardness are you after? e.g. UCS, Moh's Hardness Scale e.t.c. On moh it is 4 Brinnel hardness it is 490
moh's hardness scale and??
The Moh's hardness of Barium Sulfate is 3. It is very low in abrasion.
The hardness of lead is about 2.5 on moh's hardness scale. hope this helped wanka
Hardness of a mineral - the answer in in the title "Moh's hardness scale".
Halite, with a hardness of 2.5 on the Moh's Scale, is very soft.
What is Mohs hardness of Barium Sulfate