Leucistic vs. Leucitic — What's the Difference?

A partial loss of pigmentation in a human or other animal, resulting in white, pale, or patchy coloration of the skin, hair, fur, or feathers but not the eyes.

A white or gray mineral of potassium aluminum silicate, KAlSi2O6.

Affected by leucism.

(mineralogy) Relating to, or composed of leucite

Containing leucite; as, leucitic rocks.