Here is a list of pearl terms that might help you better understand this site and the discussions within the community forum. It is compiled from multiple sources and we believe it to be one of the most comprehensive lists available.
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H-grade pearl: Letter grade assigned to a high-grade pearl by Japan's Pearl Inspection Office from 1952 to 1999.
half-drilled pearl: Pearl drilled to 2/3 or 3/4 of its diameter for setting in pearl jewelry.
half-light pearl: One of four Saxony quality factors used to describe natural German river pearls. See also: light pearl (highest quality), and sand and rotten pearl (lowest qualities).
half-round nucleus: Nucleus used to produce cultured blister pearls. A half-round nucleus has a domed side and a flat side; the latter is attached to the host's shell.
Haliotis: Large genus of gastropods commonly known as abalone.
hamadera auction: First cultured akoya pearl auction, January 8, 1920, Osaka, Japan. Two kilograms of Mikimoto's pearls were sold at the auction.
hama-age: Newly harvested cultured akoya pearls in Japan.
hama-age auctions: Annual auctions of newly harvested cultured akoya pearls in Japan.
hammer pearl: Brownish-black natural pearl produced by the hammer shell, Malleus malleus.
hanadama: Highest quality portion of a cultured akoya pearl harvest.
hanadama certification: Cultured akoya pearl certificate issued by the Pearl Science Laboratory of Japan indicating cultured akoya pearls that have the highest ratings in all quality attributes.
hank: Term for a grouping of temporary pearl strands typically tied in bundles of five or ten.
hankei: Japanese name for a cultured blister pearl.
hardness: Pearls range from 3.5 to 4.5 on the Mohs hardness scale.
harvest: Removing cultured pearls from mollusks on a pearl farm.
heat treatment: Applying heat to a natural or cultured pearl to improve its luster.
Heath pearls: Natural pearls from the Heath region of Scandinavia; popular in the latter half of the 19th century.
Hepu pearls: Natural pearls collected from Hepu and Behai in Guangxi Province, China, as early as the Han dynasty (206-220 AD).
hinge pearl: Natural pearl found near the hinge of a bivalve mollusk, typically of elongated, irregular shape.
hollow pearl: Natural or cultured pearl with a large, hollow cavity.
Hope Pearl: Natural marine blister pearl weighing 1,816 grains (454 carats), probably from Pinctada margaritifera.
hue: First impression of a pearl's color.
hybrid mussel: Pearl mussel created by crossbreeding two species.
hypostracum: Mother-of-pearl layer of a pearl-bearing bivalve mollusk shell, the shell layer adjacent to the mantle.
Hyriopsis genus: Unionidae family mussels native to Southeast and East Asia. Pearl-producing species of the genus occur in China and Japan.
Hyriopsis cumingi: Triangle shell mussel native to China, used extensively in cultured freshwater pearl production.
Hyriopsis schlegeli: Biwa pearly mussel native to Japan, used to produce tissue-cultured freshwater pearls in Lake Biwa. Also used in China since the mid-1990s as a pure species and as a hybrid with Hyriopsis cumingi.
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by CortezPearlsThe arrival of the Iberian Conquerors
The Native Nations had no real interest in establishing a commercial venture in pearl fishing and we understand little to nothing of the way they fished for pearls, since most of the information was either lost or destroyed during the conquest of Mexico. The rich plunder of the Conquistadores was sent to Spain and later dispersed all over Europe. The most significant information we have on the subject comes from the period of colonization of northwestern...-
Channel: Pearl Education
04-05-2021, 03:26 PM -
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by CortezPearlsA review: The History of Pearls in the Gulf of California, Mexico
By Douglas McLaurin-Moreno
Since unrecorded time, man has obtained many bounties from the world’s oceans: food, shells, corals, sponges, seaweeds, and the most desirable of all of these were the beautiful mother-pf-pearl shells and their valuable treasure, Pearls.
Mexico has four species of pearl oysters inhabiting its coasts, two -the larger sized- on the Pacific side: the Panamic Black Lip...-
Channel: Pearl Education
03-18-2021, 03:04 PM -
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More than 10,000 Members Strong
Founded in 2003 with the addition of a community forum in 2004, Pearl-Guide.com is a friendly group of pearl dealers, farmers, traders, wholesalers, hobbyists, authors, and consumers. With members from around the world engaged in daily conversation, Pearl-Guide.com is the largest community of pearl enthusiasts in the world.
World's Only Open Pearl Discussion Forum Pearl-Guide.com exists for the benefit of consumers and the trade. With the world...-
Channel: Pearl Education
07-24-2014, 07:33 PM -
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by WayneCMSBy 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. The French Blue is a completely different kind of work. It is a novel that begs to be read slowly, but once one becomes entranced in the story, it is nearly impossible to put down. Not for the f...
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Channel: Pearl Education
07-21-2014, 10:36 AM -
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by WayneCMSPearl-Guide.com, its owners, moderators and administrators reserve the right to:
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Channel: Pearl Education
07-21-2014, 10:31 AM -
by WayneCMSPearl 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 harvests, production, auctions, wholesaling, and education, to retail designing end consumer marketing.
The Publication The journal is published solely for those inter...-
Channel: Pearl Education
07-21-2014, 10:29 AM -