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 (B)</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 (D)</p> Signup and view all the answers

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

<p>Mottling (D)</p> Signup and view all the answers

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

<p>China (D)</p> Signup and view all the answers

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

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

What is the most sought-after color of nephrite?

<p>White (A)</p> Signup and view all the answers

What is the characteristic of jadeite that makes it exceptional?

<p>Its toughness (A)</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. (C)</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. (C)</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. (C)</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. (A)</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. (D)</p> Signup and view all the answers

What is the primary characteristic of Imperial jadeite?

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

What is the trade term for top quality white nephrite?

<p>Mutton-Fat Jade (B)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

What are the most common jade imitations today?

<p>Glass and plastic (B)</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

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

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