What is the identification method of chalcedony?

What is the identification method of chalcedony

What is the identification method of chalcedony? Blue chalcedony can always attract people's attention easily. It is not only beautiful, but also has great feng shui effect. Many people will choose to buy chalcedony, but it is easy to buy fakes without distinguishing between true and false. Let's take a look at the identification method of chalcedony. What is the identification method of chalcedony 1

1. Is chalcedony a crystal?

kyanite is a member of the crystal family. Like crystal, kyanite is mainly composed of silica, aphanitic aggregate, which is dense and massive, and can also be spherical, radial or fine fibrous aggregate. The main color is blue, with yellow and green inside, but it is rare. Grease luster to glass luster, conchoidal fracture. Mohs hardness is between 6 and 5-7, sometimes with halo effect or cat's eye effect, which is very rare and precious.

2. How to identify the authenticity of chalcedony?

Since the chalcedony belongs to the crystal family, the identification of its authenticity can learn from how to identify the authenticity of rock crystal

(1. Illumination method

Generally, the chalcedony is looked at the light, and it can be seen that blue or green and yellow accompany its interior, which is not completely blue; However, false chalcedony will not have this phenomenon.

(2) Look at the fracture (aiming at the original stone)

The fracture of true blue chalcedony shows shell-like port mapping, which is irregular, while that of false blue chalcedony is smooth and flat;

Crystal 1 rock crystal blue chalcedony drop pendant

(3. Special optical effect

Under special illumination, the halo effect and cat's eye effect are more flexible and vivid, while the fake blue chalcedony has no such phenomenon;

(4) Fluorescent effect

Under ultraviolet irradiation (ultraviolet lamp for banknote inspection is enough), sometimes the fluorescent effect is weak and strong, while the false chalcedony has no fluorescent effect and the color is dim;

(5, color

In fact, the color of kyanite is uneven, and sometimes it is banded, which may be caused by the different trace impurities contained in kyanite when it is precipitated, but the color of fake kyanite is relatively uniform, and there is no banded distribution, mainly because it is difficult to control the trace impurities in the processed kyanite;

(6. Touch

Touching the chalcedony with your hands will make you feel refreshing and cold, but the fake chalcedony will not feel this way.

What are the methods to identify chalcedony

1. Observe the luster of chalcedony. If chalcedony looks more aura and has a warm luster, it can be preliminarily judged that it is natural chalcedony. If it is fake chalcedony, it not only looks dull and lifeless, but also has bubbles.

2. Scrape chalcedony with a knife. If there are no traces and scratches on the surface of chalcedony, then this kind of chalcedony is natural chalcedony. If there are scratches, it must be fake chalcedony.

3. We can judge whether chalcedony is true or false by weighing the specific gravity. If it is heavier, it is natural chalcedony, because the fake chalcedony is lighter.

4. Listening to the sound can also identify the authenticity of chalcedony. Hit chalcedony gently with a hard object. If it is natural chalcedony, it sounds very crisp and pleasant. If it is fake chalcedony, it sounds very dull and dry.

5. You can also identify the authenticity of chalcedony by touching it. Because the texture of chalcedony is very delicate, we feel smooth to the touch. At the same time, the characteristics of chalcedony are as cold as crystal, so what feels like this is natural chalcedony, and if there is no cold feeling, it is fake chalcedony.

6. Lick chalcedony with the tip of your tongue. If it feels astringent, it is natural chalcedony; if it doesn't feel, it is fake chalcedony. What is the identification method of chalcedony? 2

1. Look at the color < P > Observe the color of chalcedony. Natural chalcedony is mainly blue, occasionally with yellow and green at the same time. The overall color distribution is even, and some colors are banded. You can use a flashlight to illuminate the blue chalcedony. There will be no yellow and green parts in the fake blue chalcedony, and the color distribution is uneven and the color is not banded.

2. Fluorescence irradiation

Under the irradiation of ultraviolet light, natural chalcedony has a fluorescence reaction, showing a yellowish green light from weak to strong. If it is fake, it has no fluorescence effect, and the color of fake chalcedony is relatively dark under ultraviolet light.

3. Observation of fracture

Natural kyanite has a compact texture and oily luster, and its fracture is shell-shaped, with uneven fracture. The structure of fake kyanite is not compact enough, and its luster is dim, and the grain at the fracture is smooth and regular.

chalcedony refers not to the essence of jade, but to silicon dioxide, that is, the quasicrystal formed by Shi Ying. So what is chalcedony? Sapphire, also called amethyst, is a member of chalcedony family, so it belongs to an aphanitic Shi Ying gem. Blue chalcedony is blue because it contains copper. Blue chalcedony includes blue-green, bright blue, light blue to dark blue chalcedony.

Blue chalcedony is a precious variety of chalcedony, and it is also a high-priced gem produced in Taiwan Province. With the continuous exploitation of Taiwan Province's chalcedony and the increasing demand for Taiwan Province's chalcedony, the demand for Taiwan Province's chalcedony is more and more in short supply, and the price of Taiwan Province's chalcedony is also rising.

For chalcedony, the more uniform the color distribution, the less mottled color and the purer the color, the higher the value. The less internal cracks and inclusions there are, the purer and more transparent the chalcedony is, the higher the texture of the chalcedony is and the higher its value is.

The function and efficacy of blue chalcedony:

1. Water-made jade means the moon, and it is closely related to water, so it is said that it can prevent drowning and accidents, and prevent the invasion of spells.

2. The ancient Romans thought that wearing water foam jade could drive away evil spirits, eliminate disasters and prevent some negative energy damage, which was also a very good protective talisman for people who traveled abroad frequently.

3. According to foreign literature, Shuimoyu can reduce the problems at binocular level, and it is also helpful for gallbladder, liver, bladder, bones and blood respiratory system.

4. It is said that it can also reduce pain and promote pregnant women's breastfeeding. If it is under direct ultraviolet light or blue light for about 3 minutes, the kinetic energy of water foam jade can be improved a lot.

5. Improve the ability of expression, communication and coordination-matching the throat wheel with dark blue foam jade can improve the ability of self-expression and communication and coordination.

6. It is beneficial to remove all kinds of negative energy, such as preventing villains, preventing right and wrong, etc.

7. Prevention of drowning-Shuimoyu means the moon, and it is closely related to water, so it can prevent drowning, accidents and the invasion of spells.

8. Shuimoyu is quick and kinetic energy, which can help people to develop their design potential. Such as the sixth sense, the sense of judgment and the third eye, so as to develop and design the greatest intelligence. Most suitable for carrying, holding and meditation training.

The chalcedony is a calm immortal with strong vibration, which can calm people's mood and has the practical effect of calming the nerves and helping them sleep. It can treat insomnia and nightmares and improve their memory. It means noble and loyal love, and it is the evidence of mutual love and mutual service commitment.