There are four main economic evaluation conditions for emeralds, cụ thể là: 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 […]
Lưu trữ tác giả: Kingjy
(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, sắt, lithium, potassium, sodium, vân vân. Due to the different content ratios of these elements, tourmaline often has different colors. Chẳng hạn như […]
Opal has many names, mainly “white gem” Và “fancy stone”. In the south of my country, nó được gọi là “flashing mountain cloud”, 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. […]
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Tháng mười hai
Tháng mười hai
“I got these yesterday. It’s hard to find leverback earnings that are sterling silver at a reasonable price. I don’t like stud earrings b/c I don’t like being stabbed in the head by the posts when I’m sleeping or on the phone. Plus I am not one to change my earrings I like to put […]
09
Tháng mười hai
Tháng mười hai
“These earrings are very attractive. The overall design is very appealing and looks good. They sit on the ear without protrusion and the stud fasteners are secure enough to ensure they do not fall out, but simultaneously removing them is not too hard. My only complaint is that the posts are a little thicker than […]
lue Nile Gold We carry jewelry that’s crafted in both 18k and 14k gold. Our 18k gold is an alloy of 75% gold with other metals to make it strong enough for everyday wear, and our 14k gold is an alloy of 58.3% gold and other metals. The minimum karat that is allowed to be […]
Biểu đồ Karat vàng 24 karat = 100% vàng 22 karat = 91.7% gold Both 24k and 22k are considered too soft for fine jewelry, mặc dù được đánh giá cao và mặc ở một số nền văn hóa. 18 karat = 75.0% gold Considered to be the luxury end of fine jewelry. 14 karat = 58.3% gold Ideal for fine jewelry, balancing […]
Blue Nile sử dụng loại vàng nào cho đầu nhẫn? Đối với cài đặt vàng vàng và vàng hồng, Blue Nile sử dụng đầu vòng bạch kim để cố định viên kim cương ở giữa. Tất cả các thiết kế bằng vàng trắng 14k đều sử dụng đầu nhẫn bằng vàng trắng 14k có độ bền và độ bền cần thiết để giữ an toàn cho viên đá trung tâm. 14k white […]
Our fine jewelry comes in 3 màu sắc: Vàng vàng, Vàng trắng và vàng hồng. What Is Yellow Gold? A mixture of silver, đồng, Vàng nguyên chất (and a trace of zinc) gives yellow gold jewelry its rich shine. Although the percentages of each metal used to create the alloy vary, all formulas starts with 75% nguyên chất […]
Hallmarks Gold is commonly stamped with what’s known as a hallmark. The hallmark indicates the amount of pure gold content, và đôi khi biểu thị ngày hoàn thành và nước xuất xứ. Và theo luật liên bang, gold jewelry must be accompanied by a maker’s mark or registered trademark. Blue Nile Gold We carry jewelry that’s crafted […]