Gemstone Colors- KT
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Questions and Answers

What is the term for the basic color of a gemstone determined by its selective absorption of light?

  • Bodycolor (correct)
  • Hue
  • Tone
  • Saturation
  • What is the term for the degree of darkness or lightness of a color?

  • Bodycolor
  • Hue
  • Saturation
  • Tone (correct)
  • What is the term for areas of different color in a gemstone caused by variations in growth conditions?

  • Fine color
  • Extinction
  • Color zoning (correct)
  • Unplanned color zoning
  • What is the term for the selection of colors in which a gemstone occurs?

    <p>Color range</p> Signup and view all the answers

    What is the term for the strength or intensity of a color?

    <p>Saturation</p> Signup and view all the answers

    What is the term for dark areas in a faceted transparent colored stone?

    <p>Extinction</p> Signup and view all the answers

    What is the term for visible face-up color zoning that was planned during the cutting process?

    <p>Intended color zoning</p> Signup and view all the answers

    What is the term for light that exits through a gem’s crown in a controlled way due to the correct proportions of its cut?

    <p>Planned light leakage</p> Signup and view all the answers

    What is the term for an area of weak saturation in a transparent gemstone’s bodycolor?

    <p>Window</p> Signup and view all the answers

    Which of the following colors is considered most desirable by the trade?

    <p>Fine color</p> Signup and view all the answers

    What causes unintended color zoning in a gemstone?

    <p>Compromises in a gem's proportions</p> Signup and view all the answers

    What is the result of unplanned light leakage in a gemstone?

    <p>Light that exits through the pavilion</p> Signup and view all the answers

    What term is used to describe a gemstone's link to a specific geographic location?

    <p>Trade terms</p> Signup and view all the answers

    What is the purpose of intended color zoning in a gemstone?

    <p>To create a specific color pattern</p> Signup and view all the answers

    What happens when a gemstone is cut incorrectly?

    <p>It creates unintended color zoning</p> Signup and view all the answers

    What is the term for the color that a gemstone appears to be at first glance?

    <p>Hue</p> Signup and view all the answers

    What is the result of a gemstone being cut with the correct proportions?

    <p>Planned light leakage</p> Signup and view all the answers

    What is the term for a gemstone's color range?

    <p>Color range</p> Signup and view all the answers

    Study Notes

    Color Terminology

    • Bodycolor refers to a gemstone's basic color, determined by its selective absorption of light.
    • Saturation is a measure of a color's strength or intensity.
    • Color range refers to the selection of colors in which a gemstone occurs.
    • Tone is the degree of darkness or lightness of a color.
    • Color zoning refers to areas of different color in a gem, caused by variations in growth conditions.

    Trade Terms and Color Descriptions

    • Trade terms are used in the jewelry industry to describe particular gemstone colors or link gems with specific geographic locations.
    • Fine color refers to the color or colors in a gemstone's color range considered by the trade to be the most desirable.
    • Hue is the first impression of an object's basic color.

    Optical Phenomena

    • Extinction refers to dark areas in a faceted transparent colored stone.
    • Unintended color zoning refers to visible face-up color zoning that the cutter was unable to conceal.
    • Intended color zoning refers to visible face-up color zoning that was planned during the cutting process.
    • Unplanned light leakage refers to light that exits through the pavilion in an uncontrolled way due to compromises in a gem's proportions.
    • Planned light leakage refers to light that exits through a gem's crown in a controlled way due to the correct proportions of its cut.
    • Window refers to an area of weak saturation in a transparent gemstone's bodycolor that usually results from the way the gem was cut.

    Color Terminology

    • Bodycolor refers to a gemstone's basic color, determined by its selective absorption of light.
    • Saturation is a measure of a color's strength or intensity.
    • Color range refers to the selection of colors in which a gemstone occurs.
    • Tone is the degree of darkness or lightness of a color.
    • Color zoning refers to areas of different color in a gem, caused by variations in growth conditions.

    Trade Terms and Color Descriptions

    • Trade terms are used in the jewelry industry to describe particular gemstone colors or link gems with specific geographic locations.
    • Fine color refers to the color or colors in a gemstone's color range considered by the trade to be the most desirable.
    • Hue is the first impression of an object's basic color.

    Optical Phenomena

    • Extinction refers to dark areas in a faceted transparent colored stone.
    • Unintended color zoning refers to visible face-up color zoning that the cutter was unable to conceal.
    • Intended color zoning refers to visible face-up color zoning that was planned during the cutting process.
    • Unplanned light leakage refers to light that exits through the pavilion in an uncontrolled way due to compromises in a gem's proportions.
    • Planned light leakage refers to light that exits through a gem's crown in a controlled way due to the correct proportions of its cut.
    • Window refers to an area of weak saturation in a transparent gemstone's bodycolor that usually results from the way the gem was cut.

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    Related Documents

    CS Book 2 _AS- 8 KT PDF

    Description

    Test your knowledge of gemstone colors, including body color, saturation, tone, and color zoning. Learn about trade terms used in the jewelry industry.

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