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Definition of smoky quartz in English: smoky quartznoun mass nounA semi-precious variety of quartz ranging in colour from light greyish brown to nearly black. Example sentencesExamples - 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.
- Blue hexagonal beryl crystals and colorless, pale green, or blue topaz are found in cavities associated with microcline, smoky quartz, tourmaline, and, rarely, fluorite.
- They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.
- One specimen of smoky quartz, a poorly formed crystal about 1.5 inches long, sitting alone in a cavity, was coated with gray-green clinozoisite prisms, which also formed inclusions.
- The amazonite occurs in miarolitic cavities in granite as single crystals and crystal groups and is often associated with other minerals, especially albite and smoky quartz.
Definition of smoky quartz in US English: smoky quartznoun A semiprecious variety of quartz ranging in color from light grayish brown to nearly black. Example sentencesExamples - The amazonite occurs in miarolitic cavities in granite as single crystals and crystal groups and is often associated with other minerals, especially albite and smoky quartz.
- Blue hexagonal beryl crystals and colorless, pale green, or blue topaz are found in cavities associated with microcline, smoky quartz, tourmaline, and, rarely, fluorite.
- 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.
- One specimen of smoky quartz, a poorly formed crystal about 1.5 inches long, sitting alone in a cavity, was coated with gray-green clinozoisite prisms, which also formed inclusions.
- They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.
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