Free from any manifestation of partial or peculiar sentiment or feeling; not disclosing likes, dislikes, prejudice, etc.; as, colorless music; a colorless style; definitions should be colorless.
A diamond in which no trace of color can be detected. The ideal state for stones intended for the round brilliant cut. Truly colorless diamonds are worth a premium over others, assuming they are not severely flawed.
A property glass exhibits in the absence of coloring pigments and light is transmitted through the mass unchanged. Also known as crystal or clear glass.