the Week of Proper 26 / Ordinary 31
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Bible Encyclopedias
Annabergite
1911 Encyclopedia Britannica
or a mineral consisting of a hydrous nickel arsenate, N13(As04)2+8H20, crystallizing in the monoclinic system and isomorphous with vivianite and erythrite. Crystals are minute and capillary and rarely met with, the mineral occurring usually as soft earthy masses and encrustations. A fine apple-green colour is its characteristic feature. It was long known (since 1758) under the name nickel-ochre; the name annabergite was proposed by H. J. Brooke and W. H. Miller in 1852, from Annaberg in Saxony, one of the localities of the mineral. It occurs with ores of nickel, of which it is a product of alteration. A variety, from Creetown in Kirkcudbrightshire, in which a portion of the nickel is replaced by calcium, has been called dudgeonite, after P. Dudgeon, who found it. (L. J. S.)
These files are public domain.
Chisholm, Hugh, General Editor. Entry for 'Annabergite'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/a/annabergite.html. 1910.
