Hydrous silicate of thorium, occurring crystalline, massive, and compact, orange-yellow (orangite, n.) to brownish-black or black, with a…
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| 释义 | the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > zircon group > thorite (2) thorite1832 Hydrous silicate of thorium, occurring crystalline, massive, and compact, orange-yellow (orangite, n.) to brownish-black or black, with a… orangite1851 An orange-yellow variety of thorite. |
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