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Zinc ore
Answer for the clue "Zinc ore ", 11 letters:
smithsonite
Word definitions for smithsonite in dictionaries
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) A mineral form of zinc carbonate, zinccarbonoxygen 3 , mined as an ore of zinc or as an ornamental stone.
Wikipedia
Word definitions in Wikipedia
Smithsonite , or zinc spar , is zinc carbonate ( Zn C O ), a mineral ore of zinc. Historically, smithsonite was identified with hemimorphite before it was realised that they were two distinct minerals. The two minerals are very similar in appearance and ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Smithsonite \Smith"son*ite\, n. [See Smithsonian .] (Min.) Native zinc carbonate. It generally occurs in stalactitic, reniform, or botryoidal shapes, of a white to gray, green, or brown color. See Note under Calamine .
Usage examples of smithsonite.
But there was a lovely polished slab of bright green smithsonite, alongside its cousins jadeite and entrancing malachite.