Topaz and its features
Why does the 18k gold diamond ring fade?
Knowledge of spinel
De Beers'Suite Diamond Company began to engage with loose lab diamonds
Hydralite, that is, soda limestone containing copper needles, was discovered and used by the indigenous Indians on the Caribbean islands very early. Now it is only produced in Dominica. The base tone is colorless, copper-bearing is blue; it is produced in the crevices of basic igneous rocks and metamorphic rocks, and often symbiosis with zeolite, mothenite, calcite, etc.v
Simple method of distinguishing natural crystal and artificial crystal
Immaculate natural crystal products have always been a treasure that many people dream of, but imitations often use this psychology to make "fake products", making consumers hard to distinguish between true and false. Starting from the unique characteristics of natural crystals, several methods are recommended to the majority of crystal fans for reference.
How to maintain gold jewelry
In the process of daily wearing, gold jewelry is inevitably contaminated with dust and dirt, and even annoying white spots will appear. So, how to clean the brightest gold jewelry?
Corals are bright and beautiful in color and resemble branches. They can be used as decorations and have high medicinal value. Coral jewelry is very popular, and the price of coral is also a concern of many consumers.
Huanglongyu is a new species of jade discovered in Longling, Yunnan in 2004. Huanglong jade is an excellent jade material that is very suitable for carving, and it is one of the three most popular excellent jades nowadays.
The largest white diamond in auction history debuts in Dubai
The largest white diamond in auction history debuts in Dubai, the auction price will exceed 200 million yuan
The Light of Africa worth RMB 134 million
103.49 carats D color flawless white diamond｜The Light of Africa worth RMB 134 million