marcasite

noun

1. 白铁矿石（用于饰物）
   a yellow semi-precious stone used in jewellery

1. Sulfide ore bodies are mainly composed of galena, sphalerite, calcite and minor amounts of pyrite and marcasite, with no quartz.
   矿石的矿物共生组合为闪锌矿方铅矿少量黄铁矿少量白铁矿方解石，不含石英。
2. The assemblage of ore mineral is simple which is composed of molybdenite, a little pyrite, pyrrhotite, chalcopyrite, sphalerite and marcasite.
   其矿石矿物组合简单，由辉钼矿和少量的黄铁矿、磁铁黄矿、黄铜矿、闪锌矿、白铁矿组成。
3. Sb, Bi occur in tetrahedrite, pyrite, arsenopyrite and marcasite in the form of solid solution mixture;
   Sb，Bi以固溶体混入物形式分布于黄铁矿、毒砂和黝铜矿中；
4. According to the obtained equation for distribution coefficients of trivalent cations in calcite, it is proposed that cationic Au 3+ were incorporated into the fine grain marcasite at the marcasite-solution interface during non equilibrium ( fast) crystallization of the marcasite.
   根据所得出的方解石中三价阳离子的分配系数方程认为，Au3+阳离子是在白铁矿的非平衡（快速）结晶作用期间，从白铁矿-溶液界面上被结合到细粒白铁矿中去的。
5. Element As occurs in arsenopyrite, partly in pyrite, pyrrhotite, marcasite and tetrahedrite in the form of isomorphous admixture;
   As以毒砂形式存在，部分以类质同像形式存在于黄铁矿、雌黄铁矿、白铁矿和黝铜矿中；
6. Process mineralogy research indicated that the main minerals are composed of chalcopyrite, pyrite, marcasite, quartz, ordinary pyroxene, of which the useful mineral is chalcopyrite.
   工艺矿物学研究表明，该铜矿石中主要的矿物为黄铜矿、黄铁矿、白铁矿、石英、长石、普通辉石等组成。其中，有用矿物为黄铜矿。