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一、前言纤鈉铁矾(Sideronatrite),是一种并不常見的硫酸盐矿物,化学分子式为2Na_2O·Fe_2O_3·4SO_3·7H_2O。它在国内文献中还未曾报导过。在我们研究过的西北若干硫化物矿床氧化带中,发現有三个矿床氧化带产纤鈉鉄矾,其中两个矿床的纤鈉铁矾发育較好,含量很多。作者在“西北干旱地区多金属矿床氧化带研究”一文里,曾将纤鈉鉄矾与叶绿矾这两种矿物混为一談,在此特作修正。
I. Introduction Sideronatrite is an uncommon sulphate mineral with a chemical formula of 2Na_2O · Fe_2O_3 · 4SO_3 · 7H_2O. It has not been reported in the domestic literature. In the oxidation zone of some sulfide deposits in the northwestern part of our country, we found that there are three deposits of oxidized zone of sodium sulphate in the oxidation zone, among which, the two deposits have a good and abundant content of sodium hematite. In the article “Study on Oxidation Zone of Polymetallic Ore Deposits in Arid Regions of Northwest China”, the author once confused two kinds of minerals, sodium alginate and chlorite, and hereby makes a special amendment here.