1
It is the ability of some minerals to split along planes
2
A mineral has its atoms arranged in a regular pattern, it is..
3
a mineral do not come from living beings, it is ...
4
It is the ablility of a mineral´s surface to resist scratching
5
It is the colour of the powdered mineral rubbed across, it is its colour of ...
6
a mineral is not manufactured, it is
7
It is the appearence of the mineral´s surface on reflecting light
8
The external shape of amineral is the geometrical forming crystals
9
A mineral is not liquid or gas, it is...
