tremolite

American  

[trem-uh-lahyt] / ˈtrɛm əˌlaɪt /

noun

Mineralogy.

1. a white or grayish variety of amphibole, Ca 2 Mg 5 Si 8 O 22 (OH) 2 , usually occurring in bladed crystals.

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tremolite British  

/ ˈtrɛməˌlaɪt /

noun

1. a white or pale green mineral of the amphibole group consisting of calcium magnesium silicate. When occurring in fibrous habit, it is used as a form of asbestos. Formula: Ca 2 (Mg,Fe) 5 Si 8 O 22 (OH) 2

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Other Word Forms

• tremolitic adjective

Etymology

Origin of tremolite

1790–1800; named after Tremola , valley in Switzerland; -ite ¹

Example Sentences

One internal document from 1973 allegedly says: "Our baby powder contains talc fragments classifiable as fiber. Occasionally sub-trace quantities of tremolite or actinolite are identifiable…"

From BBC

In March, the FDA recalled at least three products, including Claire’s Eye Shadows, Compact Powder and Contour Palette after they tested positive for tremolite asbestos.

From Fox News

At least three products — including Claire's Eye Shadows, Compact Powder and Contour Palette — have tested positive for tremolite asbestos, the FDA said Tuesday.

From Fox News

Some of them, including tremolite, also occur as unremarkable “non-asbestiform” rocks.

From Reuters

Of the crayons tested, one, a green Playskool crayon, tested positive for trace amounts of tremolite, a form of asbestos.

From New York Times