Noticias de joyería

wholesale ruby jewelry Does Taiwan produce sapphire?

Publicado en por Reyjy

According to the gemological point of view, the term sapphire refers specifically to blue corundum gemstones. Other blue gemstones that are not corundum (A1203) components, no matter how cute they are, should not be called “zafiros”. It can be called “blue gem” o “blue XX stone”. Por ejemplo, blue diamond can be called “blue diamond”.

The so-called sapphire produced in Taiwan is referred to as “Sapphire” in Taiwan or Hong Kong. It is reported that this blue gemstone in Taiwan is originally a copper silicate made from a change of copper ore. It contains quite high water content. It is actually a light blue or blue-green chrysocolla and contains more The hardness is only 2-4, which should not be used as gemstones, but occasionally select some for display. Sin embargo, due to the addition of silicon dioxide in some parts, some of the silicon dioxide crystallizes into very fine crystals, which greatly increases the hardness of the original copper silicate (a?), so some people call it “cristal “Cual”, and is recognized by people. Professor Huang Chunjiang of National Taiwan University called it “blue agate”. En 1982, the book “Gem Resources of Southeast Asian Countries” compiled by the Chengdu Institute of Geology pointed out that the blue gems produced in the eastern coastal mountains of Taiwan are “blue chalcedony.” The three names of “Crystal Jade”, “Blue Agate” y “Blue Chalcedony” are very similar, and they all show that it is not a real sapphire.

The main characteristics of Taiwan blue chalcedony are that it is bright in color and mostly blue-green; the second is that it has a uniform texture, which is easy to process, and is relatively transparent. Its transparency exceeds that of jadeite in jadeite, so it is suitable for use as a gemstone. When it was processed into ornaments such as ring noodles or chicken hearts and sold in the Hong Kong jewelry market, its value gradually increased, and it became very popular, and its supply was in short supply.

 

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