idocrase
n. [矿物] 符山石
例句
The ore mineral assemblage of Dayishan wollastonite deposit is complex being composed of wollastonite, diopside, idocrase, k-feldspar, albite, calcite and quartz.
大义山硅灰石矿床矿石矿物组合复杂,由硅灰石、透辉石、符山石、钾长石、钠长石、方解石、石英等组成。