Definition of smoky quartz in English:

smoky quartz

Line breaks: smoky quartz

noun

[mass noun]
A semi-precious variety of quartz ranging in colour from light greyish brown to nearly black.
More example sentences
  • 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.

Definition of smoky quartz in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day epyllion
Pronunciation: ɪˈpɪlɪən
noun
a narrative poem resembling an epic in style...