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  1. PG Editor

    Glossary of Pearl Terms V

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Venezuelan necklace: Legendary strand of pearls owned by Spain's Queen Isabella. Venus pearls: Natural non-nacreous pearls from the Veneridae family of saltwater mollusks that are often called...
  2. PG Editor

    Glossary of Pearl Terms W

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Wada method: Developed by Dr. Koji Wada of Japan, a method of choosing donor-mollusk mantle tissue to help determine a cultured pearl's color. wampums: Cylindrical beads made from quahog...
  3. PG Editor

    Glossary of Pearl Terms X

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z X-ray testing: A laboratory test used to determine whether a pearl is natural or cultured.
  4. PG Editor

    Glossary of Pearl Terms Y

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z yakkah: Historical Persian quality factor describing natural pearls of secondary quality. yellow grains: Nineteenth century theory of natural pearl production stating that yellow grains found...
  5. PG Editor

    Glossary of Pearl Terms Z

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Zebra mussel: Introduced Asian mussel species that has done significant damage to freshwater mussel stocks in streams and rivers principally north of the Ohio River in the eastern United...
  6. PG Editor

    Glossary of Pearl Terms References

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z CIBJO (2006): The Pearl Book. Milan, Italy. CIBJO (2021). Guide for Classifying Natural Pearls and Cultured Pearls. Donkin, R. A. (1998): Beyond Price. Pearls and Pearl-Fishing: Origins to the...
  7. PG Editor

    In the News

    The Latest Pearl News of the Pearl World Pearl-Guide.com makes breaking news of the industry available as it happens without a hint of subtlety. Only articles with sincere value and of great interest to the pearl community will be found here. Recent Articles from Pearl-Guide.com...
  8. PG Editor

    Pearl World - The Publication

    Pearl World Journal is no longer being Published! Pearl World Journal Devoted to covering the pearl industry, Pearl World: The International Pearling Journal is the only English language publication of its kind. For 17 years the journal has covered every aspect of the pearling industry, from...
  9. PG Editor

    Pearl History Timeline - Part 2

    Rome The Romans acquired their taste for pearls from the Greeks, and for some centuries rivaled or overtook India as the world's biggest pearl depository. There was such competition for pearls in Rome that laws were made that only the elite could wear them. Statues of the goddesses especially...
  10. PG Editor

    Famous Pearls - Part 2

    More Famous Pearls from History This short list of some of the world's most famous naturals pearls is a continuation from page one. Charles I Pearl A famous pearl, now lost, destroyed, or hidden away by a discreet collector, was that of King Charles I. Artist Anthony van Dyck (1599-1641)...
  11. PG Editor

    Glossary of Pearl Terms E

    A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Edison Pearls: Large beaded freshwater pearls grown in the mollusk gonad in lieu of the mantle. See also Ming Pearls. EDXRF: Energy dispersive X-ray fluorescence is a spectrometric method of...
  12. PG Editor

    Pearl-Guide.com Forum Policies and Rules of Conduct

    Pearl-Guide.com, its owners, moderators and administrators reserve the right to: Remove or move any content for any reason at our sole discretion Modify or edit any content for any reason at our sole discretion Suspend or ban any members for any reason at our sole discretion Use of...
  13. PG Editor

    The French Blue by Richard Wise

    I was fortunate enough to get an early Kindle edition of Richard Wise's newest masterpiece "The French Blue". I also own a copy of Wise's "Secrets of the Gem Trade", and it is one of the very few gem books that I've read cover to cover, not just skipping ahead to the sections about pearls...
  14. PG Editor

    Famous Pearls part 1

    Famous Natural Pearls in History Natural pearls are among the world's oldest gems, and from the time they were first discovered, they have remained some of the world's most sought-after and most revered gems. Throughout time, there have occasionally been a few pearls discovered that stand out...
  15. PG Editor

    Pearl Matching

    Pearl Matching Defined Pearl matching is evaluation of the complete appearance of a pearl strand, pair or multi-pearl piece of jewelry. Matching can encompass size, color, and quality. A well-matched strand is composed of pearls that complement each pearl above and below, and directly across as...
  16. PG Editor

    Pearl Color

    Pearl Color Defined A pearl's color is described as a combination of its bodycolor and its overtone. Bodycolor is separated into two categories: cool hues and warm hues. Cool hues range from reddish purple to yellowish green while warm hues range from purplish red to greenish yellow. Overtones...
  17. PG Editor

    Pearl Luster

    Pearl Luster Defined Pearl Luster (also spelled Lustre) is the measurement of the quality and quantity of light that reflects from the surface and just under the surface of a pearl. The word comes from the Latin Lux which translates into "Light". Pearl Luster is the Unique Shine that give...
  18. PG Editor

    Grading Pearls

    Pearl Grading Defined Pearl Grading is the practice of assigning degrees of quality to a pearl or a piece of pearl jewelry based of the quality attributes designated by industry best practices and authority groups such as PSLJ (Pearl Science Laboratory of Japan), SSEF (Swiss Gemological...
  19. PG Editor

    The Pearl Necklace

    The Pearl Necklace Comes in Many Sizes and Colors The "classic" piece of pearl jewelry is, of course, the pearl necklace. Akoya pearls are the most traditional type of pearl used in necklaces, but freshwater pearls, Black Tahitian pearls, and large South Sea pearls are also used, often to...
  20. PG Editor

    Caring for Your Pearls

    Pearl Care Pearls are the world's only organic gem and are composed mainly of calcium carbonate. This means special attention is required to ensure pearls will stay beautiful and last a lifetime. Pearls Require Special Care Because pearls are an organic gemstone, they are different from other...
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