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单词 White mica
释义

White mica

原声例句
地心游记-The journey to the heart of the Earth

To the schists succeeded gneiss, partially stratified, remarkable for the parallelism and regularity of its lamina, then mica schists, laid in large plates or flakes, revealing their lamellated structure by the sparkle of the white shining mica.

片岩之后是片麻岩,部分分层,因其片层的平行性和规则性而引人注目,然后是云母片岩,铺成大片或片状,通过白色闪亮云母的闪光揭示了它们的层状结构。

中文百科

白云母 Muscovite

(重定向自White mica)
Fuchsita.
Muscovite with beryl (var. morganite) from Paprok, Afghanistan (dimensions: 5.9×4.8×3.4 cm)

白云母(英语:muscovite mica)为硅酸盐矿物的一种。化学式为KAl2□AlSi3O10(OH)2,晶体结构为单斜晶系。它具有各向异性,可产生强双折射现象。

白云母是最常见的云母,可见于花岗岩、伟晶岩、片麻岩和片岩中。

英语百科

Muscovite 白云母

(重定向自White mica)
Muscovite with beryl (var. morganite) from Paprok, Afghanistan (dimensions: 5.9×4.8×3.4 cm)

Muscovite (also known as common mica, isinglass, or potash mica) is a phyllosilicate mineral of aluminium and potassium with formula KAl2(AlSi3O10)(F,OH)2, or (KF)2(Al2O3)3(SiO2)6(H2O). It has a highly perfect basal cleavage yielding remarkably thin laminæ (sheets) which are often highly elastic. Sheets of muscovite 5 m × 3 m have been found in Nellore, India.

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更新时间:2025/6/21 5:44:57