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2. 14K (triad) - Wikipedia

   en.wikipedia.org/wiki/14K_(triad)

   Sun Yee On. Wo On Lok. Wo Shing Wo. The 14K (十四K sap sei kei, [sap̚sɛjkɛj]) is a triad group based in Hong Kong but active internationally. It is the second largest triad group in the world with around 20,000 members split into thirty subgroups. They are the main rival of the Sun Yee On, which is the largest triad.

3. List of countries by gold production - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by_gold...

   Trends in five of the top seven gold-producing countries. This is a list of countries by gold production in 2022. [1] Until 2006, South Africa was the world's largest gold producer. In 2007, increasing production from other countries and declining production from South Africa meant that China became the largest producer, although no country has ...

4. Lazada - Wikipedia

   en.wikipedia.org/wiki/Lazada

   Ltd. Lazada Group (Chinese: 來贊達; t/a Lazada) is an international e-commerce company and one of the largest e-commerce operators in Southeast Asia, with over 10,000 third-party sellers as of November 2014, and 50 million annual active buyers as of September 2019. [3][4][5][needs update] Backed by Rocket Internet, Maximilian Bittner founded ...

5. Colored gold - Wikipedia

   en.wikipedia.org/wiki/Colored_gold

   Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Pure gold is slightly reddish yellow in color, [1] but colored gold can come in a variety of different colors by alloying it with different elements. Colored golds can be classified in three groups: [2] Alloys with silver and copper in ...

6. Fineness - Wikipedia

   en.wikipedia.org/wiki/Fineness

   Fineness. The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of fine metal therein, in proportion to the total weight which includes alloying base metals and any impurities. Alloy metals are added to increase hardness and durability of coins and jewelry, alter colors, decrease the cost per weight, or avoid ...

7. Gold - Wikipedia

   en.wikipedia.org/wiki/Gold

   Gold is a chemical element with the chemical symbol Au (from Latin aurum) and atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals.

8. Gold certificate (United States) - Wikipedia

   en.wikipedia.org/wiki/Gold_certificate_(United...

   Gold certificates were issued by the United States Treasury as a form of representative money from 1865 to 1933. While the United States observed a gold standard, the certificates offered a more convenient way to pay in gold than the use of coins. General public ownership of gold certificates was outlawed in 1933 and since then they have been ...

9. Gold-filled jewelry - Wikipedia

   en.wikipedia.org/wiki/Gold-filled_jewelry

   Gold-filled jewelry. Gold-filled is a type of composite material. Composites are formed from two or more constituent materials with different properties that, when combined, create a new material with enhanced properties. [1] Gold-filled material is made by bonding a layer of gold alloy to a base metal core (typically brass, but sometimes ...