white sapphire

noun

, Mineralogy.

1. a colorless variety of corundum, used as a gemstone.

white sapphire

noun

1. a white pure variety of corundum, used as a gemstone

Example Sentences

Clear, colourless crystals are known as white sapphire, and are very valuable.

From Project Gutenberg

It has been produced artificially by adding iron instead of chromium to the matrix from which the white sapphire crystallizes.

From Project Gutenberg

Few colorless stones other than diamond, white sapphire (chiefly scientific), and quartz are seen in the trade.

From Project Gutenberg

In the light colored stones and in white sapphire, the difficulty is greater, as there are no color variations in the latter case.

From Project Gutenberg

The author thus obtained a white sapphire from a crystal of light yellow material.

From Project Gutenberg