Golden jade refers to a kind of golden topaz, most of which is the yellow color of naturally produced white topaz (also known as topaz) after heat treatment. Some people call a kind of natural citrine golden jade, which should be called golden crystal correctly. Brazil produces the world-famous premium wine-colored topaz; Siberian pegmatite in [...]
Category Archives: Jewelry News
Natural opal is a color-changing block in opal. According to the color characteristics and optical effects, there are mainly 4 varieties: (1) Black opal: It is a gem opal that strongly changes color on a blue, black or green base. It is translucent to opaque, and changes color to deep and bright. It is the [...]
Peridot is named for its unique olive green. Its chemical composition is magnesium iron silicate, which is the main component mineral of ultrabasic rocks. The orthorhombic crystal system has short or long columnar crystals, but it is often produced in granular form. Hardness 6.5-7; density 3.3～4.4g/cm3; glass luster to grease luster, often transparent. Gemstones similar [...]
The English name of garnet means "like a seed", which means it is very similar to the "seed" in pomegranate. Often referred to as "garnet" for short. The technical name of the garnet gemstone in my country is "Ziyawu". Garnet is a big family, which can be divided into two series and six varieties. Namely: [...]
Crystal is a very ancient gem. In the ancient works of "Guang Ya" and other works in China, there are many kinds of crystals such as "water jade", "water essence", "jade crystal", "thousand-year ice" and "shining stone". The name, the aliases such as "water essence" and "thousand-year ice" are obviously due to the lack of [...]
According to the characteristics and uses of crystals, it can be divided into four categories: (1) Piezoelectric crystal: Some of the crystals have a very interesting piezoelectric effect, that is, the greater the pressure (or pulling force) applied to the slices of the piezoelectric crystal, the more electric charges are generated. Its characteristics make it [...]
Fluorite is a mineral composed of calcium fluoride (CaF2), also known as "fluorite", which contains many impurities. The crystals are mostly cubes or octahedrons, and the aggregates are clusters or blocks. The pure ones are transparent and colorless, and the ones with impurities are often green, blue, purple, rose red and other colors. Appears glass [...]
"Yemingzhu" mainly refers to minerals and rocks with "phosphorescence" (that is, the phenomenon that still glows after turning off the light source). Only the "fluorescence phenomenon" can not be called Ye Mingzhu. Yemingzhu has ancient names such as "Yeguangbi" and "Mingyuezhu". During the Spring and Autumn Period and the Warring States Period, there were night [...]
The most important amber producing area in the world is on the southern shore of the Baltic Sea in northwestern Poland. The scope of the mining area is large, and the amber ore bodies are mostly vein-like and massive. The upper and lower surrounding rocks are loose, which is convenient for mining and has a [...]
Coral is an organic gem. But only special varieties with beautiful colors are valuable. The chemical composition of coral is calcium carbonate. There are many colors, the most common is white. Flesh red, deep red and light rose colors are more precious. Corals are mostly dendritic, with concentric layers of pattern structure and center points [...]