Definition of smoky quartz in English:
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.
Definition of smoky quartz in:
- US English dictionary
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