Any of various precious stones typically showing red or golden-yellow internal reflections; spec.: †(a) a form of quartz; = cat's-eye, n. 2 (obsolete)…
单词 | θ7042 |
释义 | the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > feldspar > others (8) sunstone1652 Any of various precious stones typically showing red or golden-yellow internal reflections; spec.: †(a) a form of quartz; = cat's-eye, n. 2 (obsolete)… huronite1836 An impure feldspar found in spherical masses in the vicinity of Lake Huron. taenite1841 A variety of feldspar occurring in striped crystals. hyalophane1855 a barium feldspar, found in transparent crystals. belonite1868 A minute elongated or needle-shaped crystal. Now rare. microclase1885 = anorthoclase, n. anorthoclase1888 A triclinic sodium-rich alkali feldspar, (Na,K)AlSi3O8, similar to microcline, occurring in many slightly alkalic lavas. barbierite1910 (See quots.) |
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