The geometric shape of a mineral that reflects its internal crystalline arrangement of atoms luster
mineral crystal
Mohs Hardness Scale
science

"While growing, minerals may develop a distinct crystal form with smooth, flat planes called crystal faces. The geometric pattern of the crystal faces reflects the internal atomic arrangement of the crystal structure. This is one of the most important things about a mineral."

Explanation:

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.