Form in which neither a crystal face nor a cleavage is seen is ______

The term which means, rough woody fracture is _______

Which mineral is flaky and black in appearance?

How does hardness vary with decomposition?

What is the diaphaneity of muscovite mica?

The density range lies between 2.5 and 4.5 g/cc for ______

Which of the following is not true about plagioclase?

The type of cleavage due to the mineral can be split very easily is _______