Nog belangriker nog: Sit kunsmatige rooi en saffier op wit papier of in die water in 'n wit houer. Die kleurbande of groeienreine is meestal geboë en geboë, terwyl die seskantige groeiene van natuurlike produkte effens geboë is. Die lint is reguit. Ook, the fluorescence of artificial rubies is stronger […]
Skrywer Argiewe: Kingjy
But their chemical composition and physical properties are very different. Byvoorbeeld, 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), toermalyn (3.05g/cm3) and emerald (3.33g/cm3) have higher densities. In the indoor test with tribromomethane, only emeralds floated up, en […]
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. Oor die algemeen gesproke, 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. Byvoorbeeld, 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. Maar […]
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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 […]
Watter tipe goud gebruik blou nyl vir ringkoppe? Vir geelgoud en roosgoudinstellings, Blue Nile gebruik platinumringkoppe om die middelste diamante te beveilig. Alle ontwerpe in 14k witgoud gebruik 14k witgoudringkoppe wat die sterkte en duursaamheid het wat nodig is om 'n middelsteen veilig te hou. 14k white […]
Wat is geelgoud? 'N mengsel van silwer, koper, suiwer goud (en 'n spoor van sink) gee geelgoud juweliersware sy ryk glans. Alhoewel die persentasies van elke metaal wat gebruik word om die legering te skep, wissel, Alle formules begin met 75% suiwer goud vir 18K goud en 58.3% vir 14k goud. The result gives off a […]
Blue Nile Gold We carry jewelry that’s crafted in both 18k and 14k gold. Ons 18k goud is 'n legering van 75% goud met ander metale om dit sterk genoeg te maak vir alledaagse drag, en ons 14k goud is 'n allooi van 58.3% goud en ander metale. 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 […]