| 释义 |
magnesiohornblende, n. Min.
Brit. |magˌniːzɪəʊˈhɔːnblɛnd|, U.S. |mægˌnizioʊˈhɔrnˌblɛnd|
[‹ magnesium n. + -o- connective + hornblende n.]
A hornblende belonging to the series Ca2(Mg,Fe+2)4Al(Si7Al)O22(OH,F)2 in which the proportion of magnesium is equal to or greater than that of iron, occurring naturally as green or greenish-black prismatic crystals and in massive form.
1978Mineral. Mag. 42 551 Magnesio-hornblende is to be used for amphiboles chemically defined with respect to the standard formula as follows: [etc.]. 1990Jrnl. Petrol. 31 644 The subcalcic or calcic species include edenites, ferroedenites, ferroedenitic hornblendes, or magnesio-hornblendes. 1994Amer. Mineralogist 79 1110 (heading) A calorimetric study of synthetic amphiboles along the tremolite-tschermakite join and the heats of formation of magnesiohornblende and tschermakite. |