Safirerne produceret i Penglai, Hainan-provinsen og Mingxi, Fujian-provinsen er smuk i farven og gennemsigtig. Krystaller med en partikelstørrelse mindre end 5 mm har færre indre defekter, mens større har flere revner. Safirerne produceret i Heilongjiang-provinsen er lyse og gennemsigtige, men har fine partikler. Although some products in Jiangsu Province [...]
Kategori Arkiver: Smykker nyheder
Der er mange ædelstene, der kan producere stjernelyseffekt i naturen. På nuværende tidspunkt, Der er 10 slags ædelstene kendt som: safir, rubin, almandin, beryl, akvamarin, spinel, diopside, cordierit, søjleformet og enstatit pyroxen. Blandt dem, stjernelyseffekten af safir er den mest almindelige, og partiklerne er store og iøjnefaldende. Tag safir, which has [...]
(1) Stjernelyset burde være tydeligt, positionen skal være centreret, og der må ikke mangle stråler. (2) Stjernelyset er klart, hvilket får folk til at føle, at det kommer fra indersiden af ædelstenen, snarere end at flyde på overfladen af det buede (altså ægnudler) ædelsten. 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 man kalde "blue gem" eller "blue XX stone". For eksempel, blue diamond can be called "blue diamond". [...]
I pegmatit, selvom krystallen har plads nok til vækst, muligheden for ordentlige pigmentioner, især Cr-ioner, ind i gitteret er meget lille, mens Fe- og Ti-ioner kan trænge ind i gitteret. Derfor, chancen for at finde rubiner i pegmatit er ekstrem lille, mens det er muligt at finde safirer. I basalt, der [...]
(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 "smaragd" comes from the transliteration of Persian Zumurud. I det gamle mit land, it was called "Zumurud" [...]
When the ancient Roman scholar Pliny commented on emeralds, sagde 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: krystalklar, 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, jern, lithium, potassium, natrium, osv. Due to the different content ratios of these elements, tourmaline often has different colors. Som f.eks [...]
Opal has many names, mainly "white gem" og "fancy stone". In the south of my country, det kaldes "blinkende bjergsky", which comes from Australia's famous producing area "Lightning Ridge". Opal is listed as the birthstone of October by the international jewelry industry, symbolizing hope and happiness. Opal is the most colorful of gemstones. [...]