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2. Synthetic alexandrite - Wikipedia

   en.wikipedia.org/wiki/Synthetic_alexandrite

   Another method is a “floating zone”, developed in 1964 by an Armenian scientist Khachatur Saakovich Bagdasarov, of the Russian (former Soviet) Institute of Crystallography, Moscow. Bagdasarov’s floating zone method was widely used to manufacture white YAG for spacecraft and submarine lighting, before the process found its way into jewelry ...

3. Wellington Jewels - Wikipedia

   en.wikipedia.org/wiki/Wellington_jewels

   Wellington Jewels was a Washington, D.C.–based jewelry store and direct mail chain, operating from the 1960s through the 1990s. The jewelry store chain specialized in artificial diamond jewelry and sold high-quality gold and platinum settings containing imitation gems, marketed by Mac and Helen Ver Standig's elaborate and highly successful advertising as prominently-labeled "counterfeit ...

4. Costume jewelry - Wikipedia

   en.wikipedia.org/wiki/Costume_jewelry

   Costume or fashion jewelry includes a range of decorative items worn for personal adornment that are manufactured as less expensive ornamentation to complement a particular fashionable outfit or garment [1] as opposed to "real" (fine) jewelry, which is more costly and which may be regarded primarily as collectibles, keepsakes, or investments ...

5. Diamond simulant - Wikipedia

   en.wikipedia.org/wiki/Diamond_simulant

   Diamond simulants and their gemological properties; Material Formula Refractive index(es) 589.3 nm Dispersion 431–687 nm Hardness (Mohs' scale) Density (g/cm 3) Thermal condc. State of the art Diamond: C: 2.417 0.044 10 3.52 Excellent Artificial simulants Flint glass: Silica with Pb, Al, Tl ~ 1.6 > 0.020 < 6 2.4–4.2 Poor 1700– White ...

6. We found the 50 best Christmas gifts for women in 2024 - AOL

   www.aol.com/lifestyle/best-christmas-gifts-women...

   This $10 diamond cleaner is one of the best purchases I've ever made. I bought it shortly after I got engaged about six years ago and it's still got a place in my vanity. It works on diamonds, but ...

7. Hanfu accessories - Wikipedia

   en.wikipedia.org/wiki/Hanfu_accessories

   Necklaces with carved jade pendant Jade culture is an important aspect of Chinese culture , [ 3 ] reflecting both the material and spiritual culture of the Chinese people. [ 4 ] : 18 Jade is deeply ingrained in Chinese culture and played a role in every aspect of social life; [ 4 ] : 18 it is also associated with positive qualities and aspects ...