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The crystal you are familiar with-Quartz 18k gold jewelry wholesale

Diposting di oleh Kingjy

1. kristal

The crystal is colorless and transparent. The silica composition contains no impurities. The crystals are mostly produced as single columnar crystals or crystal clusters. There are many crystals weighing from a few kilograms to more than ten kilograms, and not even hundreds of kilograms or even more than a ton. Langka. Namun, large crystals that are transparent and flawless are rarer.

2. kecubung

Amethyst is a kind of purple quartz. Amethyst has obvious pleochroism, mostly dark purple to light purple, transparan menjadi tembus cahaya, and common color bands with straight or folded edges. Amethyst is the birthstone in February, indicating health and luck.

3. Batu topas

Topaz is yellow quartz. The silica component contains high-grade iron and sometimes appears yellow, the color is light yellow, yellow brown golden orange yellow to dark orange, golden yellow is better, the value of deep color is higher than the value of light color. Common color banding with straight or folded edges. Citrine can be made of amethyst after heat treatment, and this heat-treated citrine still retains the color band of the original amethyst.

Violet and yellow coexist together to form two colors, which is caused by double crystals in quartz.

4. Smoke crystal

Smoky crystals are smoky to tan quartz. Smoky crystals can become colorless crystals after heating, but they can restore their original colors after being irradiated by radioactive materials.

5. Green crystal

Very few natural green crystals. The occasional green crystal is caused by the tiny inclusions of chlorite in the quartz. Most of the green crystals on the market are artificially synthesized or changed colors.

6. Hibiscus stone

Hibiscus stone is generally light red and pink, and its color is caused by manganese and titanium in its composition. Single crystals are rare, and dense lumps are usually almost always cloudy or translucent. The color is strong, the transparency is good, and the texture is pure without cracks. The color of hibiscus stone is not stable. When it is heated to 575℃ in the air, the red color fades. Long-term exposure to the sun can make the color lighter, but the color is slightly restored when placed in water. Saat ini, most of the raw materials of hibiscus stone crafts in my country come from Brazil. The characteristic pink is its identification mark.

The quality requirements for quartz are: warna cerah, internal purity, and standard cut.

Quartz is a common gemstone, which is abundant in nature. Sebaliknya, the price is relatively low. Only natural crystal balls and large crystal sculptures may have higher value. When quartz contains a large number of parallel-arranged fibrous inclusions, its arc-shaped gems can show cat’s eye and starlight effects.

Quartz has a wide distribution, and Brazil is famous for its abundance of quartz. my country’s quartz production is very large, and the East China Sea region of Jiangsu is the hometown of crystals. Quartz is also produced in Guangdong, Sichuan, Xinjiang, Inner Mongolia and other places.

 

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