The order of hardness scale ?

According to the hardness scale, the hardness numbers assigned to various material is are as given below :

Hardness Number	Material	Hardness Number	Material
1.            1.	Talc	6.	Felspar
2.            2.	Gypsum	7.	Quartz
3.           3.	Calcite	8.	Topaz
4.           4.	Fluorite	9.	Corundum
5.            5.	Apatite	10.	Diamond

 

The order of ductility of the different material is given below:

ductility	Material	Ductility	Material
1.            1.	Gold	6.	Aluminium
2.            2.	Platinum	7.	Nickel
3.            3.	Silver	8.	Zinc
4.            4.	Iron	9.	Tin
5.            5.	Copper	10.	Lead