Gold Purity As the most malleable of all precious metals, gold is an excellent choice when crafting designs with very intricate details. 을 더한, 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 […]
카테고리 아카이브: 보석 뉴스
defect? Why are the cut shapes of the same gemstones different? What is the corresponding relationship between gem quality evaluation and price? 그리고 더 많은. 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, 다이아몬드와 같은, 루비, 사파이어, […]
There is a certain relationship between the caliber (inner diameter) of a jade bracelet and the thickness of the diameter. 즉, 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) 직관적인 방법: 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, 모양, 크기, 광택, 등. If it is a bead or a batch of pearls, for real pearls, 그들은 […]
Diamonds are noble and luxurious ornaments, and jewelry with natural diamonds is the crown of jewelry. 하지만, diamonds are scarce and expensive, especially the larger ones, and most people don’t dare to care about them. 결과적으로, 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; 둘째로, […]
더 중요하게: 흰 종이 위에 인공 적색과 사파이어를 넣거나 흰색 용기에 담긴 물에 넣어 관찰한다.. 색띠나 성장선은 대부분 휘어져 있고 곡선을 이루고 있다, 천연제품의 육각형 성장선은 약간 곡선을 이루고 있지만. 리본은 직선이다. 게다가, the fluorescence of artificial rubies is stronger […]
그러나 화학적 조성과 물리적 특성은 매우 다릅니다.. 예를 들어, 에메랄드는 경도가 7.5-8, 형석은 경도가 4; 에메랄드의 밀도는 약 2.7g/cm3입니다., 형석 (3.18g) /cm3), 전기석 (3.05g/cm3) 그리고 에메랄드 (3.33g/cm3) 밀도가 더 높다. 트리브로모메탄을 사용한 실내 테스트에서, 에메랄드만 떠올랐다, 그리고 […]
천연 에메랄드는 두 가지 유형으로 나눌 수 있습니다: (1) 아메리칸 타입: 콜롬비아에서 생산된 에메랄드가 포함되어 있습니다., 브라질과 미국. 굴절률이 낮은 것이 특징입니다., 작은 비중, 자외선 (장파) 조사 및 형광, Charles 필터로 관찰하면 색상이 빨간색으로 변합니다.. (2) 아프리카 유형: 짐바브웨에서 생산되는 에메랄드, 남쪽 […]