nickel arsenate

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• arsenate mineral —       any of a group of naturally occurring compounds of arsenic, oxygen, and various metals, most of which are rare, having crystallized under very restricted conditions. At the mineralogically famous Långban iron and manganese mines in central… …   Universalium

• Erythrite — crystals General Category Arsenate mineral Chemical formula …   Wikipedia

• annabergite — ˈanəˌbərˌgīt noun ( s) Etymology: Annaberg, Saxony, Germany, its locality + English ite : a mineral consisting of a hydrous nickel cobalt arsenate (Ni,Co)3(AsO4)2.8H2O occurring in apple green masses or capillary crystals and isomorphous with… …   Useful english dictionary

• Nickeline — General Category Arsenide mineral Chemical formula nickel arsenide:NiAs …   Wikipedia

• annabergite — /an euh berr guyt/, n. a mineral, hydrous nickel arsenate, Ni3As2O8·8H2O, occurring in apple green masses and isomorphous with erythrite. [named after Annaberg, a town in E Germany where first found; see ITE1] * * *       hydrated nickel arsenate …   Universalium

• Annabergite — is a mineral consisting of a hydrous nickel arsenate, Ni3(AsO4)2·8H2O, 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… …   Wikipedia

• annabergite — /ˈænəˌbɜgaɪt/ (say anuh.berguyt) noun a mineral, hydrous nickel arsenate, Ni3As2O8.8H2O, occurring in apple green crystalline masses; nickel bloom. {named after Annaberg, town in Saxony. See ite1} …  

• annabergite — [an′ə bʉrg΄īt΄] n. [after Annaberg, town in Germany + ITE1] the light green variety of erythrite, (Ni, Co) 3 (AsO4) 2·8H2O, in which nickel replaces the cobalt; hydrous cobalt nickel arsenate …   English World dictionary

• Aerugite — is a rare complex nickel arsenate mineral with a variably reported formula: Ni9(AsO4)2AsO6. It forms green to deep blue green trigonal crystals. It has a Mohs hardness of 4 and a specific gravity of 5.85 to 5.95.It was first described in 1858 in… …   Wikipedia

• aerugite — noun A rare complex nickel arsenate mineral that forms green to deep blue green trigonal crystals …   Wiktionary

• annabergite — noun A mineral consisting of a hydrous nickel arsenate, chemical formula Ni(AsO)·8HO, with an apple green colour …   Wiktionary