Ancora più 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. Inoltre, the fluorescence of artificial rubies is stronger […]
Archivio Autore: Kingjy
But their chemical composition and physical properties are very different. Per esempio, 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 (3.18G) /cm3), tormalina (3.05g/cm3) e smeraldo (3.33g/cm3) have higher densities. In the indoor test with tribromomethane, only emeralds floated up, E […]
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. In generale, 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. Per esempio, 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. Ma […]
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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 […]
Che tipo di oro usa il Nilo blu per le teste degli anelli? Per le impostazioni di oro giallo e oro rosa, Il Nilo Blu utilizza teste di anello di platino per fissare i diamanti centrali. Tutti i disegni in oro bianco da 14k usano teste di anelli in oro bianco 14k che hanno la forza e la durata necessarie per mantenere una pietra centrale sicura. 14k white […]
What Is Yellow Gold? A mixture of silver, rame, Oro puro (and a trace of zinc) gives yellow gold jewelry its rich shine. Although the percentages of each metal used to create the alloy vary, all formulas starts with 75% pure gold for 18k gold and 58.3% for 14k gold. The result gives off a […]
Blue Nile Gold We carry jewelry that’s crafted in both 18k and 14k gold. Il nostro oro 18K è una lega di 75% oro con altri metalli per renderlo abbastanza forte per l'usura quotidiana, e il nostro oro 14k è una lega di 58.3% oro e altri metalli. 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 […]