psilomelane
n. [矿物] 硬锰矿
例句
The mineral components of nodules are mainly pyrolusite, psilomelane and limonite.
锰结核主要由硬锰矿、 软锰矿、 褐铁矿构成。
The main silver-bearing minerals were psilomelane, pyrolusite, limonite, galena, pyrite and sphalerite.
主要载银矿物有硬锰矿、软锰矿、褐铁矿、方铅矿、黄铁矿和闪锌矿。
It is studied that most of tungsten in ore occurs in secondary psilomelane in the form of adsorbed ions.
通过研究得出，矿石中钨绝大部分是呈离子吸附形式赋存于次生硬锰矿中。
