How many categories are there of lighting?

There are the following types of more common jewelry materials in life. The specific distinction is as follows: 925 International Standard Silver
The silver -white metallic luster that has just been unearthed. It is exposed to the air for a long time. Losing the surface of the surface is the oxidation of the silver, but it can be cleaned. The hardness of the silver itself is not high and the texture is soft, so it cannot be made into jewelery in pure form. Instead, it is often with other metals and casting. The standard content is more than 92.5%of the silver content. , Skin sensitive people can wear it with confidence. After the silver is made into the finished product, the changes in the hardness of the hardness change with the increase of its gram. The larger the gram (silver weight), the harder, the harder it is to deform.

650 silver
650 silver is about 65 % of the silver content.

alloy jewelry
The material is synthetic metal. The texture is hard and has a metal luster. It is not an allergic material. The alloy jewelry is easy to oxidize, but it cannot be cleaned. This oxidation is caused by long -term contact with irritating liquid (such as bath liquid, sweat, perfume), which can be said to be corroded. Because it is not an allergic material, people with sensitive skin should not be worn, and they should pay attention to maintenance. They need to be removed when bathing and swimming.

Thekin -plated jewelry
The on the basis of synthetic metal or on the basis of silver, a layer of 18K platinum is placed on the surface. Its luster is brighter, with strong decorative effects, and dazzling luster under the light. Because the white gold jewelry is plated on the surface layer, it is not an allergic material. People with sensitive skin should not wear it. If the color -plated jewelry occurs, the color loss occurs because the long -term white gold on the back surface is grinded and exposed the original metal. The original metal was oxidized, so it was not cleaned and pay attention to maintenance. You need to take a bath or swimming.

The classification of gems

The definition of gemstones:
The mysterious attraction, elegant colors and colorful gloss are deeply loved by the world, because of their rare, it is rare, Hardness and durability make it more precious. The natural beauty, tenacity and elastic storage of gemstones are unable to believe that they have supernatural origin and magical power. Those gems that have been circulating to the present to the century have accumulated rich historical and romantic stories. Gem has always been regarded as a symbol of wealth and rights. rnrn石头的分类：rna、天然（18种）：琥珀、贝壳、玳瑁、玻陨石、绿松石、斜长石、孔雀石、月亮石、橄榄石、玛瑙、 Tiger eye stone, sand gold stone, garnet, tobacco, hibiscus stone, Dongling jade, inklobe, Opal
b, artificial: pearl, blue pine, white pine, yellow crystal, crystal, vermiculite, stones, stones, stones, stones, stones, stones, stones, stones, and stone, Lvkin
c, some of the purpose of ecological protection, commonly used artificial stone replaced natural materials: coral, blue crystal stone, amethystite

It is golden to golden orange, but also brown and green. Transparent to translucent, usually small ore blocks are formed in it, accompanied by cracks and weathering surfaces. Amber may contain insects, moss, ground jackets and pine needles. Make the amber a turbid appearance and looks hazy and mysterious. Amber has medicinal value and is a symbol of wealthy power. The ancient emperor princess especially liked it.

Shell
Shells: The shape, size, and color of the shell change.
A abalone scallops: Extracted from the natural shell, colorful reflective surface, beautiful color, is one of the shells, naturally. When it comes to shells, you will think of the sea and nature, giving people a fresh feeling to return to nature. Shells are a symbol of freedom and beautiful.

玳瑁
玳瑁: It is a hard shell (back armor) of a carnivorous turtle, which is dark brown, but you need to wear it carefully. Symbol.

coral
Coral: It is formed by the bone bone relics called coral worms. Most corals are red, pink, and black. Among them, red corals are the most precious. The corals were very dull at first. After polishing, glass -like luster was produced. It was very sensitive to heat and acid. It often faded and needed maintenance. The red coral dyed through stone powder is more bright, smooth on the surface, and strong decorative effect. Coral is the best choice for elders to send juniors. Red represents enthusiasm and hope. Coral is a symbol of hope.

Pearls
Pearls: Delled in shells, especially in oysters and mussels. It is a natural defense of stimulus such as gravel. Gloss, called "pearl". The colors of pearls are changing to many, usually white, pink, and black. Pearl is sensitive to acid, dryness and humidity. The color is human breeding and dyeing pearls. Pearls are regarded as tears of angels, which is a symbol of women's wealth and happiness.

Glass meteorite
Glass meteorite: The glass meteorite is black, the surface is generally uneven or rough, there are unevenness, the texture of scars, realizing the wishes, and bringing many people's good wishes Essence It is rumored that wearing glass meteorites can avoid disasters and keep peace. It is the best choice for people who go out to travel. The mystery of its origin is more mysterious and rare and precious.

Ou Juan
Opon stone (Opal): It is 5%-10%of hardening silicon dioxide gel. Opal Stone will display color flash (rainbow), and the other is ordinary Opal Stone, which is opaque and there is no rainbow. Gui Obo has many colors. Opal is the representative of romanticism, and the first choice for lovers.

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blue spry: with gem characteristics, light blue to dark blue, the color distribution in the crystal is unevenly distributed. Blue crystal is especially light blue, which is a symbol of pure love.

Stilestone
Stilestone: It is a mineral that shows colorful colors or colorful colors.

The malachite
The peacock is the opaque green mineral shape, and the color is light green and dark green stripes. In the past, people worn it to prevent risk and disease.

Monthly lit
Monthly lit: Blue or white glory, like moonlight, the name comes from this, usually white, people who like the moon will be happy to the moon, the moon Romantic and charming, very attractive. For your heart, the moon can represent your heart.

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olive: Mineral olives have gem characteristics called expensive olives. Due to the existence of iron, olive green or dark green color, and there is a unique oil luster. Natural olives are used in the store. Olives are a symbol of peace and beauty. Green also represents youth and optimism. Olives are the favorite of young people.

agate
agate: natural semi -gem, there are many colors, most of the stores are dark yellow or brown -red, with mezzanine in the middle. Agate is a more traditional stone in China. Since ancient times, it has been since ancient times. One of the religations that the people love to be given are the symbol of rich and expensive.

The tiger eye stone
tiger eye stone: black, and yellow and golden brown stripes due to the oxygen iron dioxide. Tiger eye stone is a symbol of strength, a brave representative, like a tiger, like a tiger, like a tiger, like a tiger, like a tiger There is also the king of the king, and there is a saying of fierceness. At the time of travel, there is a major decision and do not try it.