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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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