1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel mineral 7) Jewel 8) Mineral gemstone 9) Mineral jewel 10) Polished mineral 11) Polished jewel 12) Precious jewel 13) Precious gem 14) Prized mineral 15) Precious gemstone 16) Precious stone 17) Prized stone
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https://www.crosswordclues.com/clue/smithsonite
1) Ore
Found on
https://www.crosswordclues.com/clue/smithsonite
Smithsonite, or zinc spar, is zinc carbonate (ZnCO3), 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 term calamine has been used for both, leading to some confusion. The distinct mineral smithsonit...
Found on
http://en.wikipedia.org/wiki/Smithsonite
• (n.) 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.
Found on
http://thinkexist.com/dictionary/meaning/smithsonite/
zinc carbonate (ZnCO3), a mineral that was the principal source of zinc until the 1880s, when it was replaced by sphalerite. It is ordinarily found ...
Found on
http://www.britannica.com/eb/a-z/s/113
Smith'son·ite noun [ 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 .
Found on
http://www.encyclo.co.uk/webster/S/128
Smithsonite is a secondary mineral formed in parts of zinc and copper deposits that have been oxidised by the action of air and water. It is one of the calamines and was confirmed as a distinct species of mineral in 1832 and named after James Macie Smithson the British chemist and mineralogist. Smithsonite is grey, white, light green or brown in co...
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http://www.probertencyclopaedia.com/browse/HS.HTM
Zinc carbonate
Found on
http://www.translationdirectory.com/glossaries/glossary075.htm
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