Crystal Symmetry

Question 1

Regularity of position like faces, edges, distances

Answer 1

Crystal symmetry

Question 2

Division of crystal
in similarly placed halves

Such that:

1 is mirror image of another

Answer 2

Plane of symmetry

Question 3

An imaginary point drawn or placed within the crystal

Such that:

Any line passing through this point intersects the opposite face of crystal in same distances

Answer 3

Centre of symmetry

Question 4

A line which the crystal may be rotated

Such that:

It presents same appearance of crystal more than once during complete rotation

Answer 4

Axis of symmetry