Jade: Key Concepts
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Questions and Answers

What is the most valuable color of jadeite?

  • Lavender
  • Imperial green (correct)
  • Red
  • White
  • What is the texture of jadeite that is highly valued?

  • Glassy
  • Coarse
  • Fine (correct)
  • Rough
  • What is the term for jadeite with a coarse texture?

  • New mine (correct)
  • River jade
  • Old mine
  • Hololith
  • What is the characteristic of nephrite that makes it more resistant to fracturing?

    <p>Interlocking fibrous structure</p> Signup and view all the answers

    What is the term for a gemstone jewelry carved entirely from a single piece of rough?

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

    What is the term for uneven distribution of color against a contrasting background?

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

    What is the main polishing center for jadeite from around the world?

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

    What is the term for rough nephrite recovered from alluvial deposits?

    <p>River jade</p> Signup and view all the answers

    What is the most sought-after color of nephrite?

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

    What is the characteristic of jadeite that makes it exceptional?

    <p>Its toughness</p> Signup and view all the answers

    What is the primary reason why jadeite's color is highly valued?

    <p>It's evenly distributed and uniform coloration.</p> Signup and view all the answers

    What is the main difference between jadeite and nephrite in terms of their toughness?

    <p>Nephrite is more resistant to fracturing than jadeite.</p> Signup and view all the answers

    Why is it important to identify the type of jade treatment?

    <p>To describe the extent of jade treatment.</p> Signup and view all the answers

    What is the main purpose of using the terms 'Old mine' and 'New mine' in jade trade?

    <p>To describe the texture of jadeite.</p> Signup and view all the answers

    Why is it important to distinguish between jadeite and its imitations?

    <p>Because jadeite and its imitations have different properties and uses.</p> Signup and view all the answers

    What is the primary characteristic of Imperial jadeite?

    <p>Its uniform and vivid green coloration.</p> Signup and view all the answers

    What is the main reason why jadeite is highly valued in Asia?

    <p>Its cultural significance is highly valued.</p> Signup and view all the answers

    What is the main difference between jadeite and nephrite in terms of their colors?

    <p>Jadeite's most valuable color is green, while nephrite's is white.</p> Signup and view all the answers

    What is the primary purpose of using the term 'Hololith' in jade trade?

    <p>To describe gemstone jewelry carved entirely from a single piece of rough.</p> Signup and view all the answers

    What is the trade term for top quality white nephrite?

    <p>Mutton-Fat Jade</p> Signup and view all the answers

    What is a spot of color near the surface of a jadeite boulder, where the skin is thin enough to allow color to show through?

    <p>Show points</p> Signup and view all the answers

    What is a polished area on the surface of a jadeite boulder that allows the buyer to see the beyond the skin?

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

    What term is used for rough nephrite extracted directly form a primary deposit?

    <p>Mountain Jade</p> Signup and view all the answers

    What are the most common jade imitations today?

    <p>Glass and plastic</p> Signup and view all the answers

    Study Notes

    Cultural Significance of Jade

    • Jade has great cultural significance, especially in Asia, and has been treasured for thousands of years.

    Types of Jade

    • Type A, B, and C designations are used to describe the extent of jade treatment, mainly in Asia.

    Qualities of Jadeite

    • Jadeite's three most important qualities are color, transparency, and texture.
    • The most valuable jadeite color is the intense green known as Imperial.
    • Jadeite can also be lavender, red, orange, yellow, brown, white, black, or gray.

    Nephrite

    • Nephrite's interlocking fibrous structure makes it more resistant to fracturing.
    • The most sought-after nephrite color is white rather than green.

    Valuable Jadeite

    • The most valuable jadeite has color that's evenly distributed, uniform, and strong.

    Imitations

    • Glass and plastic are today's most common jade imitations.
    • Jade substitutes are neither jadeite nor nephrite, so they should not be called "jade."

    Jade Industry

    • China is the main polishing center for jadeite from around the world.

    Key Terms

    • Hololith: Gemstone jewelry carved entirely from a single piece of rough.
    • New mine: Trade term for jadeite with coarse texture.
    • Old mine: Trade term for jadeite with very fine texture.
    • Imperial: Trade name for finest-quality, semi-transparent jadeite with even, vivid green coloration.
    • River jade: Rough nephrite recovered from alluvial deposits.
    • Mottling: An uneven distribution of color against a contrasting background.

    Cultural Significance of Jade

    • Jade has great cultural significance, especially in Asia, and has been treasured for thousands of years.

    Types of Jade

    • Type A, B, and C designations are used to describe the extent of jade treatment, mainly in Asia.

    Qualities of Jadeite

    • Jadeite's three most important qualities are color, transparency, and texture.
    • The most valuable jadeite color is the intense green known as Imperial.
    • Jadeite can also be lavender, red, orange, yellow, brown, white, black, or gray.

    Nephrite

    • Nephrite's interlocking fibrous structure makes it more resistant to fracturing.
    • The most sought-after nephrite color is white rather than green.

    Valuable Jadeite

    • The most valuable jadeite has color that's evenly distributed, uniform, and strong.

    Imitations

    • Glass and plastic are today's most common jade imitations.
    • Jade substitutes are neither jadeite nor nephrite, so they should not be called "jade."

    Jade Industry

    • China is the main polishing center for jadeite from around the world.

    Key Terms

    • Hololith: Gemstone jewelry carved entirely from a single piece of rough.
    • New mine: Trade term for jadeite with coarse texture.
    • Old mine: Trade term for jadeite with very fine texture.
    • Imperial: Trade name for finest-quality, semi-transparent jadeite with even, vivid green coloration.
    • River jade: Rough nephrite recovered from alluvial deposits.
    • Mottling: An uneven distribution of color against a contrasting background.

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    Jade: AS-Level Study Notes PDF

    Description

    This quiz explores the cultural significance of jade, its types, and qualities, particularly in Asia.

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