hyalite

American  

[hahy-uh-lahyt] / ˈhaɪ əˌlaɪt /

noun

1. a colorless variety of opal, sometimes transparent like glass, and sometimes whitish and translucent.

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hyalite British  

/ ˈhaɪəˌlaɪt /

noun

1. a clear and colourless variety of opal in globular form

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Etymology

Origin of hyalite

First recorded in 1785–95; hyal- + -ite ¹

Example Sentences

In some half-decayed specimens, I found small, globular aggregations of yellow hyalite, resembling gum-arabic, which no doubt had been deposited by the steam.

From Volcanic Islands by Darwin, Charles