Multiple choice

Which among the following can lead to an intergrowth of two separate crystals in a variety of specific configurations?

  1. A crystal system

  2. A lattice system

  3. A crystal family

  4. The crystal twinning

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Crystal twinning occurs when two separate crystals share some of the same crystal lattice points in a symmetrical manner. The result is an intergrowth of two separate crystals in a variety of specific configurations. A twin boundary or composition surface separates the two crystals.