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3 results for “Atacamite”
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Britannica 11th
Encyclopaedia Britannica · 11th edition
Atacamite
Britannica 11thATACAMITE, a mineral found originally in the desert of Atacama, and named by D. de GaUizen in 1801. It is a cupric oxychloride, having the formula CuCl2.3Cu(OH)2, and crystallizing in the orthorhombic system. Its hardness is about 3 and its specific gravity 3- ...
Vol. 2, pp. 822-822
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Relevance 330.0
Atacama
Britannica 11thATACAMA, a province of northern Chile, bounded N. and S. respectively by the provinces of Antofagasta and Coquimbo, and extending from the Pacific coast E. to the Argentine boundary line. It has an area of 30,729 sq. m., lying in great part within the Atacama
Vol. 2, pp. 822-822
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Relevance 33.75
Anthracite
Britannica 11thANTHRACITE (Gr. avOpat, coal), a term applied to those varieties of coal which do not give off tarry or other hydrocarbon vapours when heated below their point of ignition; or, in other words, which bum with a smokeless and nearly non-luminous flame. Other ter
Vol. 2, pp. 105-105
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Relevance 33.16