zaratite

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zaratite

(ˈzærəˌtaɪt)
n
(Minerals) a green amorphous mineral consisting of hydrated nickel carbonate. Formula: Ni3(CO3)(OH)4.4H2O
[C19: from Spanish zaratita, named after G. Zárate, 19th-century Spaniard]
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Other commonly used glaze materials such as barium carbonate, strontium, carbonate, talc, zinc oxide, manganese dioxide, manganese carbonate, nickel oxide, nickel carbonate, cobalt oxide, cobalt carbonate, rutile, iron oxide, dolomite, crocus martis, Cornwall stone, fluorspar and whiting are also capable of releasing gases or chemically combined water, as is the case with some frits which travel through the molten glaze causing blisters.
Nickel tetracarbonyl is a highly toxic gas inflicting severe damage to the lungs and heart, while nickel carbonate (NiCO3) is a solid which is much less hazardous.
Role of oxidative stress and intracellular calcium in nickel carbonate hydroxide-induced sister-chromatid exchange, and alterations in replication index and mitotic index in cultured human peripheral blood lymphocytes.