| 释义 |
apophyllite Min.|əˈpɒfɪlaɪt, æpəʊˈfɪlaɪt|
[mod. f. Gr. ἀπό off + ϕύλλον leaf + -ite; ‘so named by Haüy, 1805, in allusion to its tendency to exfoliate under the blow-pipe’ (Dana).]
A zeolitic mineral, a hydrated silicate of lime and potash, with a trace of fluorine; occurring in glassy square prisms or octahedrons, or laminated masses, with a pearly lustre; widely distributed in nature, and produced artificially.
1810Edin. Rev. XVII. 119 The sparry lustre which characterizes apophyllite. 1878Lawrence Cotta's Rocks Class. 26 Apophyllite is found in the geodic cavities of volcanic rocks. |