Hypertext Webster Gateway: "hyalite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Hyalite \Hy"a*lite\, n. [Gr. ? glass: cf. F. hyalite.] (Min.)
A pellucid variety of opal in globules looking like colorless
gum or resin; -- called also {M["u]ller's glass}.
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