Inclusion
Any visible internal foreign object, or any crystal or grain, or any break in a diamond or other gemstone can be called an inclusion. Breaks such as fractures and cleavages, however, are not always considered inclusions.
Any visible internal foreign object, or any crystal or grain, or any break in a diamond or other gemstone can be called an inclusion. Breaks such as fractures and cleavages, however, are not always considered inclusions.