Common name for hydrous silica Crossword Clue
4 letters · New York Times · Sunday, August 13, 2000 · 39-Down
Appeared in 1 New York Times Crossword: Sunday, August 13, 2000.
Exact puzzle match · New York Times · August 13, 2000 · 39-Down · 4 letters
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What does this clue mean?
a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
noun
WordNet® (Princeton University)
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