Cats have a pair of unfathomable, endless and aura-filled eyes.
Cat eye effect
Gemstones are the finest of the stone in nature. A considerable number of them are cut in a certain way and under the illumination, showing a scene very similar to the cat's eyes. This phenomenon is called "cat eye effect" in gemology.
For the cat's eye effect, everyone is not surprised. These shiny gems are often seen on the market, but not all of them are called "cat's eye". See these cat eyes on the market, don't be wrong.
1. Apatite cat's eye
Apatite is a phosphate mineral with cat-eye effect, similar to the cat's eye, which is easy to confuse first-time people. There are many colors of apatite, and the apatite with golden yellow and good transparency can camouflage high-end jewelry.
However, due to its low hardness, it cannot be processed as a main gemstone, and it can only be used for ordinary viewing.
2, 矽石石猫
The sillimanite is a glassy silicate mineral containing inclusions such as rutile and biotite. The inclusions are oriented to form a cat's eye effect. The Mohs hardness is about 7 and the color is grayish black.
3, diopside cat eyes
Diopside is a calcium-magnesium silicate mineral. The color is brighter due to a small amount of iron, but the Mohs hardness is not more than 6, and the brittleness is large.
4, Fang Zhushi cat eyes
Quercus is a common silicate mineral, generally gray, grayish yellow, grayish green, light yellowish green, etc. The square pillars with cat's eye effect are mostly orange-yellow, which is easy to mix with quartz and beryl gemstones.
5, stubborn pyroxene cat eyes
The stubborn pyroxene with cat's eye effect is generally in a brownish tint, the color is not bright, and the Mohs hardness is 5.5, which is brittle and soft. Often used to forge a diopside cat's eye, it can be identified by detection.
6, quartz cat eyes
The light band of the quartz cat's eye is not as neat and clear as the gold emerald cat's eye, the transparency is poor, and the output is of low value. But the high-quality quartz cat's eye is very similar to the gold emerald cat's eye, but also has a honey color, and the light band is clear and bright. Famous places of origin are India, Sri Lanka, the United States, Mexico, and Australia.
7, tourmaline cat eyes
The production of tourmaline cat eyes is relatively small, generally in the red tourmaline and green tourmaline, and there are some blue tourmalines. But the effect of the tourmaline cat eye is far less than the real opal, and many need to be filled to ensure that it remains intact during the cutting.
8, beryl cat eyes
The beryl family has gems that can have cat-eye effects. The highest value of emeralds is more valuable once it produces cat-eye phenomenon, but the beryl cat's eye is more common.
9, Hetian jade cat eyes
The Hetian jade cat eye mainly refers to the Hetian Biyu cat's eye, and its structure is a fiber interweaving structure. When the internal fiber conforms to the cat's eye effect, the cat's eye band appears. Jasper cat eyes are produced in Russia, Canada, and Taiwan, and are also popular because of the jade texture.
More artificial fake cat eyes than cat's eye ore
The formation of the cat's eye effect is an optical reaction produced by the irradiation of light by acicular fibers arranged in parallel in the gemstone. The uniqueness of the cat's eye makes it a lot of counterfeiters, and it is cheap. Many stones with cat-eye effects on the market are artificial gems.
Glass cat's eye
Glass cat eyes are the most widely used and cheapest imitations on the market. After aligning the glass fibers, heating and melting and re-condensing into glass, the cat's eye effect can be obtained.
However, the texture of the glass is different from that of the gemstone, and the cat's eye effect is also frivolous. The side light transmission is simply enlarged to see the cross section of the honeycomb fiber, which is the most typical glass cat's eye feature.
Said so many cat eyes that can not be called "cat's eye", to see the authentic cat's eye.
"Gold Emerald Cat's Eye (Cat's Eye)"
The golden emerald with cat's eye effect is the only gemstone that can be called opal alone. Most of the high quality opal is produced in Sri Lanka.
High-quality cat's eye beryl, after the illumination of the pen light, will be dominated by the cat's eye, showing half of the yellowish honey color, and the other half showing a thicker white milk color; if two pen lights are used, different The direction of the cat's eye beryl, the cat's eye will produce a one-on-one phenomenon, as if it is clear to you, very strange and beautiful.
Cat's eye beryl, with a variety of different colors, and the most rare in green, so many gem collectors regard it as a treasure. A variety of different types of opals, their prices, between the tens of times to hundreds of times the gap.
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