Gold Purity As the most malleable of all precious metals, gold is an excellent choice when crafting designs with very intricate details. Plus, it’s resistant to rust, tarnish and corrosion. Pure gold is too soft for everyday wear, so it’s alloyed with a mixture of silver, copper and a trace of zinc, to give it […]
Kategorie Archiv: Schmucknachrichten
defect? Why are the cut shapes of the same gemstones different? What is the corresponding relationship between gem quality evaluation and price? und viele mehr. This requires salespersons to answer well. Only in this way can they play a better role in publicity and promotion. Because many precious natural gems, wie Diamanten, Rubine, Saphire, […]
There is a certain relationship between the caliber (inner diameter) of a jade bracelet and the thickness of the diameter. Das heißt, when the jade bracelet is smaller, its diameter is also thinner; when the mouth of the jade bracelet is large, its diameter is correspondingly larger. Only in this way, a harmonious beauty will […]
(1) Intuitive Methode: the method of direct observation with naked eyes. This is also the most common and actual identification method. The inspection can be carried out from the following four aspects: ①In terms of color, Form, Größe, Glosse, usw. If it is a bead or a batch of pearls, for real pearls, sie sind […]
Diamonds are noble and luxurious ornaments, and jewelry with natural diamonds is the crown of jewelry. Jedoch, diamonds are scarce and expensive, especially the larger ones, and most people don’t dare to care about them. Infolge, the use of cheap gemstones, man-made gemstones and even glass to replace or pretend to be diamonds […]
(6) Artificial rutile: Rutile is an ordinary natural mineral, and its composition is titanium dioxide. Because its refractive index (2.61～2.90) is higher than diamond (2.42), it is polished into a gem. Bright and dazzling flashes and rainbow-like changes can appear afterwards, which is very beautiful. It is a pity that almost all natural rutile is […]
Regarding the magnification of a magnifying glass for jewelry, some people think that the bigger the better, in fact it is not, because in terms of lens production, it exceeds 10 times and can guarantee its optical quality and clear aperture (the clear aperture of the magnifying glass is 16-20mm) Appropriate) is very difficult; zweitens, […]
Noch wichtiger ist: 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. Zusätzlich, the fluorescence of artificial rubies is stronger […]
Ihre chemische Zusammensetzung und ihre physikalischen Eigenschaften sind jedoch sehr unterschiedlich. Zum Beispiel, Smaragd hat eine Härte von 7.5-8, während Fluorit eine Härte von hat 4; Smaragde haben eine Dichte von etwa 2,7 g/cm3, während Fluorit (3.18G) /cm3), Turmalin (3.05g / cm3) und Smaragd (3.33g / cm3) haben höhere Dichten. Im Indoor-Test mit Tribrommethan, nur Smaragde schwebten empor, Und […]
Natürliche Smaragde können in zwei Arten unterteilt werden: (1) Amerikanischer Typ: umfasst in Kolumbien hergestellte Smaragde, Brasilien und die Vereinigten Staaten. Es zeichnet sich durch einen niedrigen Brechungsindex aus, geringes spezifisches Gewicht, Ultraviolett (Langwelle) Bestrahlung und Fluoreszenz, und die Farbe wird rot, wenn sie mit dem Charles-Filter beobachtet wird. (2) Afrikanischer Typ: Smaragde aus Simbabwe, South […]