The sapphires produced in Penglai, Hainan Province and Mingxi, Fujian Province are beautiful in color and transparent. Crystals with a particle size less than 5mm have fewer internal defects, while larger ones have more cracks. The sapphires produced in Heilongjiang Province are bright and transparent, but have fine particles. Although some products in Jiangsu Province [...]
Kategoriarkiv: Smykkernyheter
Det er mange edelstener som kan produsere stjernelyseffekt i naturen. For tiden, det er 10 typer edelstener kjent som: safir, rubin, almandin, beryl, akvamarin, spinell, diopside, kordieritt, søyleformet og enstatittpyroksen. Blant dem, stjernelyseffekten til safir er den vanligste og partiklene er store og iøynefallende. Ta safir, som har [...]
(1) Stjernelyset skal være tydelig, posisjonen skal være sentrert, og det skal ikke mangle stråler. (2) Stjernelyset er klart, som får folk til å føle at det kommer fra innsiden av edelstenen, i stedet for å flyte på overflaten av det buede (dvs. eggnudler) Gemstone. Because the natural starlight red and [...]
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 "safirer". Det kan kalles "blue gem" eller "blue XX stone". For eksempel, blue diamond can be called "blue diamond". [...]
In pegmatite, although the crystal has enough space for growth, the possibility of proper pigment ions, especially Cr ions, entering the lattice is very small, while Fe and Ti ions may enter the lattice. Derfor, the chance of finding rubies in pegmatite is extremely small, while it is possible to find sapphires. In basalt, there [...]
(1) Emerald-emerald green beryl containing chromium, (2) Aquamarine-iron-containing sky blue to sea blue beryl. (3) Golden emerald-golden yellow beryl containing iron, (4) Dark brown emerald-ilmenite beryl with starlight effect. (5) Rose emerald-beryl containing cesium, lithium or manganese. Navnet "Emerald" comes from the transliteration of Persian Zumurud. I det gamle mitt land, it was called "Zumurud" [...]
When the ancient Roman scholar Pliny commented on emeralds, sa han: “Indeed, no gemstone has a more pleasing color, and emeralds always emit a soft and rich brilliance, which makes people never tire of it.” In addition, the production of emeralds in the world is extremely rare (much less than the production of diamonds). According [...]
There are four main economic evaluation conditions for emeralds, nemlig: ①Color: emerald green and dark green are better, greenish blue and yellowish ones are inferior; ②Transparency: crystal clear, clear and bright is the best, translucent Those who can only be included in the third grade; ③Purity: emeralds are often flawed, pure ones are rare and [...]
(1) Complex composition: Tourmaline is an extremely complex boro-aluminosilicate mineral, and it is the gem mineral with the most complex chemical composition in nature. It may contain one or several elements such as magnesium, stryke, litium, potassium, natrium, osv. Due to the different content ratios of these elements, tourmaline often has different colors. Slik som [...]
Opal has many names, mainly "white gem" og "fancy stone". In the south of my country, heter det "blinkende fjellsky", which comes from Australia's famous producing area "Lightning Ridge". Opal is listed as the birthstone of October by the international jewelry industry, symboliserer håp og lykke. Opal is the most colorful of gemstones. [...]