Glass

Identification way of crystal

Crystal is the jewelry a lot of people love, this thing is not only beautiful, but the body as well, more people willing to buy expensive gifts and jewelry when crystal, crystal hard to distinguish between true and false law flawless natural crystal products, has been a lot of people dream of treasures, but the imitation often use this kind of psychological make “fake”, so that consumers doubtful authenticity.

     Crystal visible in the market with natural crystal, melting crystals, artificial crystal and glass. Natural crystal of course is directly extracted from the hills; melting crystal is a natural crystal melting temperatures through 3500 ° C is made of natural ingredients with the same crystal; man-made Crystal Glass in general 38% of adding the metal lead, but lead toxic and should not wear. On the market are mostly man-made crystal or crystal glass.
   Natural crystal clear, often with cloudy, star-shaped or floc point of liquid inclusions, and often cracks. In addition, the natural crystal with polarized light, visibility, twin phenomena, such as a crystal ball body, looking down from above, the meeting had a double impact phenomena. Synthetic crystal or glass products, pure homogeneous body, no cracks, often within a small bubble. Look down from the upper sphere, see the following two-line impact. Using touch recognition, may feel greater than the proportion of synthetic crystal natural crystal; natural crystal has the feeling of cold, but the glass has warm feeling.

(1) Seeing: natural crystal in the formation process, often subject to environmental impact of the total contain impurities, when viewed against the sun, you can see faint horizontal stripes or even small catkin-like material. The false use more defective crystal crystal residue, blizzard melting, after polishing process, color copy is made, there is no uniform stripes, catkin-like material.
(2) The tongue licking: even in the hot summer dog days, tongue licking the natural side, there are cold and cool feeling. Leave the crystal, no cool feeling.
(3) Light: Natural Crystal heel in a sunlight, regardless of the perspective from which it can emit a beautiful luster. Crystal can not leave.
(4) Hardness: hardness of natural crystal, jewelry gently with a stone in the plan, for no trace; if left streak, is false crystal.
(5) using polarized light microscopy: a 360-degree rotation in the polarizing microscope, and four out four dark change is a natural crystal, crystal has not changed is false.
(6) using two-color check: There are two natural amethyst color, leave no dichroic crystal.
(7) Check with a magnifying glass: the magnifying glass in transmitted light with ten times the inspection, can be found as the bubble is basically false crystal.
(Check with the hair: the crystal on a hair, the human eye can see through the crystal hair double shadow, was a natural crystal, mainly because of a birefringent crystal.
(9) was detected with a thermal conductivity: the thermal conductivity meter adjusted to 4 cell test green gem, natural yellow crystal can be increased to 2 cells, which do not rise crystal leave, when the area is a large yellow rose to a grid
Have had the counterfeit goods:
1. Acrylic, plastic products, from hand to touch, temperature, hardness up resolution, in addition, acrylic, plastic, easily lead to distortions of light refraction, generally is not difficult to tell, so few of such counterfeit goods gradually.
2. Glass products, this one to see is clear water, no texture, and hardness of low (5), a single refractive index, mixed with air bubbles, is also very good resolution.
3. Melting Crystal, China products, like ordinary glass, but has made more than seven or eight centimeters ten to cm-sized balls, very beautiful and nice, but the single refractive index, hardness and low (5), can polarizer , or measure whether the change two hair to distinguish.
4. Crystal glass, in fact, “lead glass” melting pot metal glass leaded products on the market up, because the refractive index, dispersion rates are good, look dazzling, dazzling and moving, the most suitable furnishings, decorative, but not for for spiritual purposes. Visual discrimination more generally available.
5. Synthetic Quartz, also known as “synthetic crystal”, the original stone is not hexagonal crystal, this is the easiest place to judge; but if it is ground into a finished product after the bad way to distinguish these, we must rely on “Ultraviolet Spectrometer” to distinguish between true and false.

    Tongue licking tongue licking the natural crystal has a strong feeling of cold and become cool.

Decentralization in the crystal ball a hair hair through the hair of natural crystal ball can see two, melting crystals, artificial crystal and glass products can only see a hair.

    Understanding of knowledge, when you buy Do not buy crystal crystal was fake. While out in the purchase of Crystal to buy yourself a good mood

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