A mineral with a hardness of 6 on the Mohs scale can be scratched by anything harder than a 6, such as minerals with a hardness of 7 or higher. It will not be scratched by minerals with a hardness of 5 or lower.
the hardness scale for the mineral hornblende is 5-6.
A pearl is composed of the mineral aragonite which has a hardness of 3.5-4.0.
6
Which usually consists 5-6 buildings and families.
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
Quartz
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
the mineral is chrysocolla
Minerals are classified according to the elements they contain. Other important features for classification purposes include the crystalline structure, hardness and cleavage of the mineral when broken.
5-6
Orthoclase Feldspar.
Galena
6
A mineral with a hardness of 6 on the Mohs scale can be scratched by anything harder than a 6, such as minerals with a hardness of 7 or higher. It will not be scratched by minerals with a hardness of 5 or lower.
mineral grinding mills
the hardness scale for the mineral hornblende is 5-6.