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1)  columbotantalite
铌钽矿产
1.
In the paper the long-range prediction of the pegmatite-type columbotantalite in FuTou-Xialiuyuan area of Northern Fujian is under discussion according to the characteristic analysis,model analysis,variant selection and the classification of association degree.
通过特征分析模型分析和变量选取及关联度分级,对闽北地区头—下柳源一带伟晶岩型铌钽矿产进行远景预测研究。
2)  niobium-tantalum deposit
钽铌矿床
3)  Nb-Ta deposit
钽铌铁矿
4)  Tantalum-niobium ore
钽铌矿
1.
General situation of tantalum-niobium ore resource and advances of mineral processing technology of tantalum-niobium ore;
钽铌矿资源概况及选矿技术现状和进展
2.
A new process called ore blending-KOH molten salt decomposition-water leaching was first put forward for the processing of a low-grade refractory tantalum-niobium ore.
首次提出采用"配矿-KOH 熔盐分解-水浸出"的新工艺来处理低品位、难分解钽铌矿。
5)  manganocolumbite-tantalite
钽铌锰矿
6)  niobium-tantalum ore
铌钽矿
1.
The leaching mechanism of niobium from a refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.
实验研究了难分解铌钽矿在高浓度氢氧化钾溶液中浸出过程的机理。
补充资料:铌钽铁矿
分子式:(Fe,Mn)(Nb,Ta)2O6 
CAS号:

性质:一种复杂的氧化物矿物。斜方晶系。晶粒呈粒状、块状、放射状、晶簇状,表面光滑,铁黑色至褐黑色。莫氏硬度4.2~7,密度5.37~7.85 g/cm3,性脆,有弱磁性,一般含五氧化二铌23%~70%,五氧化二钽1%~40%。主产于花岗伟晶岩矿中,与石英、长石、白云母、锂云母、绿柱石、黄玉、锆石、独居石等共生。为提取铌和钽的重要矿物原料。

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