英语词汇“smoky quartz”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

smoky quartz

noun [mass noun]

A semi-precious variety of quartz ranging in colour from light greyish brown to nearly black.Quartz is colourless when pure but minute amounts of impurities or lattice imperfections give rise to varieties such as amethyst, cairngorm, rose quartz, and smoky quartz....

They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.
Blue hexagonal beryl crystals and colorless, pale green, or blue topaz are found in cavities associated with microcline, smoky quartz, tourmaline, and, rarely, fluorite.

单词	smoky quartz
释义	smoky quartz noun [mass noun] A semi-precious variety of quartz ranging in colour from light greyish brown to nearly black.Quartz is colourless when pure but minute amounts of impurities or lattice imperfections give rise to varieties such as amethyst, cairngorm, rose quartz, and smoky quartz.... They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite. Blue hexagonal beryl crystals and colorless, pale green, or blue topaz are found in cavities associated with microcline, smoky quartz, tourmaline, and, rarely, fluorite.
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