더 중요하게: 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. 게다가, the fluorescence of artificial rubies is stronger […]
저자 아카이브: Kingjy
But their chemical composition and physical properties are very different. 예를 들어, 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), 전기석 (3.05g/cm3) and emerald (3.33g/cm3) have higher densities. In the indoor test with tribromomethane, only emeralds floated up, 그리고 […]
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, 남쪽 […]
(1) Regarding the choice of type and size. 일반적으로 말하면, 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. 예를 들어, 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: 나는있다 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. 하지만 […]
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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 […]
블루 나일은 링 헤드에 어떤 유형의 금을 사용합니까?? 옐로우 골드와 로즈 골드 세팅의 경우, Blue Nile은 백금 링 헤드를 사용하여 센터 다이아몬드를 확보합니다.. 14k 화이트 골드의 모든 디자인은 센터 스톤을 안전하게 유지하는 데 필요한 강도와 내구성을 갖춘 14k 화이트 골드 링 헤드를 사용합니다.. 14k white […]
What Is Yellow Gold? A mixture of silver, 구리, 순수 금 (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. Our 18k gold is an alloy of 75% gold with other metals to make it strong enough for everyday wear, and our 14k gold is an alloy of 58.3% gold and other metals. 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 기원전. 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 […]