1) Beautiful stone 2) Copper mineral 3) Cut mineral 4) Decorative stone 5) Gemstone 6) Gemstone mineral 7) Jewel mineral 8) Jewel 9) Mineral jewel 10) Mineral gemstone 11) Orthorhombic mineral 12) Polished jewel 13) Polished mineral 14) Precious stone 15) Precious gem 16) Prized stone 17) Precious jewel
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https://www.crosswordclues.com/clue/atacamite
Atacamite is a copper halide mineral: a copper(II) chloride hydroxide with formula Cu2Cl(OH)3. It was first described for deposits in the Atacama Desert of Chile in 1801. Atacamite is polymorphous with botallackite, clinoatacamite, and paratacamite. Atacamite is a comparatively rare mineral, formed from primary copper minerals in the oxidation or ...
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http://en.wikipedia.org/wiki/Atacamite
• (n.) An oxychloride of copper, usually in emerald-green prismatic crystals.
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http://thinkexist.com/dictionary/meaning/atacamite/
green, brilliant halide mineral, basic copper chloride [Cu2(OH)3Cl]. It is a secondary mineral, formed by the oxidation of other copper minerals, ...
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http://www.britannica.com/eb/a-z/a/117
A·tac'a·mite noun [ From the desert of
Atacama , where found.]
(Min.) An oxychloride of copper, usually in emerald-green prismatic crystals.
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http://www.encyclo.co.uk/webster/A/138
Atacamite is the native hydrous oxychloride of copper. It is a comparatively rare mineral occurring in arid regions in the upper oxidised zone of copper deposits. It has the formulae Cu2Cl(OH)3 and a relative hardness of 4. It is named after the desert of Atacama in South America, where it is found.
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http://www.probertencyclopaedia.com/browse/HA.HTM
Copper(II) oxychloride
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http://www.translationdirectory.com/glossaries/glossary075.htm
a mineral, hydrated chloride of copper, CuCl(OH), occurring in a green, granular form: a minor ore of copper.
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https://www.infoplease.com/dictionary/atacamite
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