| 单词 | tschermakite |
| 释义 | > as lemmasˈtschermakite ˈtschermakite n. an amphibole end-member of the hornblende group, Ca2Mg3Al4Si6O22(OH)2, that is rich in aluminium; also, any member of the series this forms with ferrotschermakite (the other end-member). ΘΚΠ the world > the earth > minerals > types of mineral > silicates > amphibole (double chain) > [noun] > hornblende > varieties smaragdite1804 antholite1806 anthophyllite1806 pargasite1818 fasciculite1823 dannemorite1857 grünerite1861 kaersutite1886 tschermakite1945 magnesiohornblende1978 1945 A. N. Winchell in Amer. Mineralogist 30 29 Hallimond notes that the second of these formulas is often called the Tschermak molecule; the writer would suggest that it be called tschermakite. 1966 W. A. Deer et al. Introd. Rock-forming Minerals ii. 168 Compositions approaching those of the edenite and tschermakite end-members are rare, and the compositions of the majority of the hornblendic amphiboles are intermediate between the two end-member series, tremolite—ferroactinolite and pargasite—ferrohastingsite. < as lemmas |
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