light mineral

noun

Geology.

1. any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.

Example Sentences

Bayer’s Campho-Phenique Pain & Itch Relief still contains camphor and phenol along with inactive ingredients: colloidal silicon dioxide, eucalyptus oil, glycerin and light mineral oil.

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Made of pinot noir, and more rosé than white, it is pleasant, with light mineral and herbal notes.

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Make sure that your mix has at least 25 to 30% by volume of perlite, a light mineral that aids drainage.

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Opal, which is a comparatively light mineral, has a low refractive power; zircon or jargoon is a heavy mineral, and has a high refractive power.

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This perplexing problem was solved in a very peculiar manner by an experiment on the part of a wealthy Plasdenite, who, seven thousand years ago, took advantage of the extremely light mineral products of this world and built for himself a floating mansion which covered about ten acres according to our measurements.

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