Garnet grade and price

In the China Geological Museum, there is a large crystal of orange-red manganese aluminum garnet, which weighs 1,397 carats and is produced in Xinjiang. The National Museum of Natural History is home to one of the world's finest brown-yellow transparent cinnamon stones (iron-calcium aluminum garnet), a sculpted Christ head that weighs 61.5 carats and is invaluable.

It means "like a seed." This gem has been known to the world for a long time. There are garnets in the ornaments unearthed in the Egyptian tombs. There are also many garnet collections in the National Palace Museum. Throughout the ages, garnet is considered to be a symbol of faith, firmness and simplicity. It is believed to have the effect of healing and saving people. Some people even think that yellow garnet is a good medicine for treating jaundice. If you go out with a garnet, you can keep your journey safe. From the thrills, people use garnet as the birthstone of January every year, and pray for a smooth and smooth journey.

China's jewelry industry is also known as garnet for purple (child) teeth, while Hong Kong and other places are called "Augmented Stone" by transliteration.

1. Identification and evaluation of garnet

Identification of garnet

Although you can see the garnet at a glance, it is not easy to determine which garnet is, because the garnet is complex and contains many types. Garnet is a gemstone series consisting of two series and six subspecies. The general molecular formula is R3M2(SIO4)3, R stands for divalent elements (calcium, magnesium, iron, manganese), and M is a trivalent element (aluminum, Iron, chrome), different combinations of R and M form different garnet subspecies, and some garnets are even garnet mixtures of different combinations.

Although different kinds of garnets have different colors, and the refractive index, specific gravity and hardness are slightly different, all garnets are isomorphic, single-refraction gemstones, and have no dichroism and polarizing properties. Keep in mind that this common feature is useful for the identification of garnets.

Common gemstone garnet and characteristic color:

Aluminium garnet, maroon; magnesia garnet, red; manganese aluminum garnet, orange yellow; calcium aluminum garnet, yellow green; calcium iron garnet, green; magnesium iron garnet, rose red and calcium chrome garnet ,Emerald.

As a general appreciator or customer, it is not necessary to determine the specific species of garnet, as long as they are indeed garnet. There are not many gems similar to garnets on the market, mainly rubies, red zircons, spinels, synthetic garnet garnets, garnet garnets and glass imitations. The method of distinguishing is: red and red zircon have dichroism, red zircon also has strong double shadow, and garnet has no sex, so it is easy to distinguish from pomegranate; spinel is generally lighter in color, detailed identification Use the instrument. Natural garnets of various colors have some enamel or crystalline inclusions (such as acicular goldstone, some gas-liquid two-phase inclusions, etc.), and Y. A. G. , G. G. G. And the glass is often very clean, or has a spherical ball-shaped bubble, which is strong red under Chelsea. In fact, for certain garnets, it can also have its own unique characteristics, such as garnet (green variant of calcium iron garnet) often has a "horsetail" fiber inclusion, which can be seen at a glance see. Identification of the key is not pleochroic, often with natural bodies.

Garnet assessment

Garnet is a general gemstone, but among them, emerald green and transparent are also valuable varieties. The most important thing to evaluate garnet is the color of the gems. The color should be bright and pure. Secondly, the transparency should be high, so that the processed gems will be brighter than the "fire"; again, the sputum should be less, the style should be beautiful; the size factor is for the general variety. The impact of value is smaller. It should be noted that there are also starlight and cat's eye gemstones in the garnet. If the color is positive, the star line or the eyeliner is good, it is a variety with higher value. The evaluation of key colors is pure and transparent, and less.

2. Garnet origin

The origin of garnets is distributed all over the world. The former Czechoslovakia, India, Sri Lanka, the United States and the former Soviet Union, Brazil, and Africa are famous producers of garnet. There are also a large number of garnet production in Xinjiang, Guangdong, Guangxi and other places in China.

3. Garnet jewelry purchase tips

If you want to choose a gemstone with a large price, garnet is a good choice. Available colors are red, green, yellow, etc. No matter what color, it should be transparent, colorful and flawless.

Symbolic mystery and romance

Garnet, the name of this type of gemstone is derived from its small grain crystal shape much like pomegranate seeds, the English name Garnet, from the Latin granatum, meaning "like seeds." The color of garnet varies with its composition. It can be divided into red series (including red, pink, purple, orange, etc.), yellow series (including yellow, orange, honey, yellow, etc.) and green series (including Green, olive green, yellow green, etc.). Due to their high yield, garnets are one of the more common minerals in nature, but they are rare in terms of gem grades. They are often mined as associated gemstones along with other more valuable precious stones.

effect

Throughout the ages, garnet is considered to be a symbol of faith, firmness and simplicity. It is believed to have the effect of healing and saving people. Some people even think that yellow garnet is a good medicine for treating jaundice. If you go out with a garnet, you can keep your journey safe. , free from thrills.

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