| 单词 | felspar |
| 释义 | feldspar /feldˈspär or felˈspär/ or felspar /felˈspär/noun (also (obsolete) feldˈspath)Any member of the most important group of rock-forming minerals, anhydrous silicates of aluminium along with potassium (such as orthoclase, microcline), sodium, calcium, or both (the plagioclases), or sodium and barium (hyalophane) ORIGIN: Swed feldtspat a name given in 1740 by D Tilas, from Swed feldt or fält field, and spat spar, apparently because of the abundance of feldspar in tilled fields of SW Finland; confused with Ger Fels rock feldspathic or felspathic /-spathˈik/ adjective feldˈspathoid or felˈspathoid noun Any mineral of a group chemically related to feldspar, including nepheline, leucite, sodalite, etc |
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