A borosilicate, fluoride, and hydroxide of cerium earths, calcium, and thorium found as brown trigonal crystals.
| 单词 | θ7070 |
| 释义 | the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > cerite > cerium or rare earth silicates (8) tritomite1856 A borosilicate, fluoride, and hydroxide of cerium earths, calcium, and thorium found as brown trigonal crystals. rinkite1885 A titanium-containing silicate mineral now usually regarded as identical to mosandrite. hellandite1903 Any of a group of minerals found as brownish-red prismatic crystals in pegmatite veins in Norway and other localities including parts of Canada and… nordite1941 An orthorhombic silicate of sodium, strontium, manganese, calcium, and lanthanides which occurs as light brown crystals. perrierite1951 A monoclinic silicate of lanthanides, titanium, iron, and other elements, (Ca,Ce,Th)4(Mg,Fe2+)2(Ti,Fe3+)3Si4O22, occurring as black or reddish… spencite1961 A metamict borosilicate of rare-earth and other elements (chiefly yttrium and calcium), which is closely related to tritomite and occurs as… tundrite1965 A silicate and carbonate (essentially) of cerium (normal tundrite, tundrite-(Ce)) or neodymium (tundrite-(Nd)), sodium, and titanium found as… tritomite-Y1966 tritomite-Y: an analogue of this in which yttrium largely replaces cerium. |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。