Más importante: Put artificial red and sapphire on white paper or in the water in a white container to observe. The color bands or growth lines are mostly curved and curved, while the hexagonal growth lines of natural products are slightly curved. The ribbon is straight. Además, the fluorescence of artificial rubies is stronger […]
Archivos del Autor: Reyjy
But their chemical composition and physical properties are very different. Por ejemplo, emerald has a hardness of 7.5-8, while fluorite has a hardness of 4; emeralds have a density of about 2.7g/cm3, while fluorite (3.18gramo) /cm3), turmalina (3.05g / cm3) and emerald (3.33g / cm3) have higher densities. In the indoor test with tribromomethane, only emeralds floated up, y […]
Natural emeralds can be divided into two types: (1) American type: includes emeralds produced in Colombia, Brazil and the United States. It is characterized by low refractive index, small specific gravity, ultraviolet (long wave) irradiation and fluorescence, and the color turns red when observed with Charles filter. (2) African type: emeralds produced in Zimbabwe, South […]
(1) Regarding the choice of type and size. En general, the chicken heart, hanging gall and Guanyin are suitable for women to wear; Maitreya Buddha is suitable for men to wear, but there are exceptions. Por ejemplo, men like the big chicken heart, the hanging gall and the big Guanyin, and it is not enough […]
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“This is my first bracelet ever, so I couldnt buy anything too expensive. Bought this a few days ago, overall pretty satisfied. Thanks ChainsHouse Sizing: I have a 6.6 inch wrist and I bought the 7.5 inch one, there is about enough space to fit one or two fingers so its not too tight. But […]
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“As soon as I took it out of the packaging to inspect it and try it on, the little crystals began falling off. I had it out of the box for maybe 2 minutes and already 6 crystals have fallen off. I can’t gift this garbage to my mother for Christmas, so looks like I […]
¿Qué tipo de oro usa el Nilo Azul para las cabezas de anillo?? Para la configuración de oro amarillo y oro de rosa, Blue Nile usa cabezales de anillo de platino para asegurar diamantes centrales. Todos los diseños en oro blanco de 14k usan cabezales de anillo de oro blanco de 14k que tienen la fuerza y la durabilidad necesaria para mantener una piedra central segura. 14k white […]
Que es el oro amarillo? Una mezcla de plata, cobre, oro puro (y un rastro de zinc) Da joyas de oro amarillo su rico brillo. Aunque los porcentajes de cada metal utilizado para crear la aleación varían, Todas las fórmulas comienzan con 75% oro puro por oro de 18k y 58.3% por oro de 14k. The result gives off a […]
Blue Nile Gold We carry jewelry that’s crafted in both 18k and 14k gold. Nuestro oro de 18k es una aleación de 75% oro con otros metales para hacerlo lo suficientemente fuerte para el uso diario, y nuestro oro de 14k es una aleación de 58.3% oro y otros metales. The minimum karat that is allowed to be […]
What Is Gold? People love gold—and they have for a very long time. While the gold adornments preferred by Egyptian Pharaoh Tutankhamun (aka: King Tut) circa 1323 B.C. differ from those worn by today’s style influencers, gold is as prized now as it was then. It’s no wonder that ancient cultures all over the world […]