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When your friends or leaders talk about jewelry, they often mention no burns, burns, exposed bottoms, beads, enamel, inclusions...
What kind of ghost are you thinking about in your heart? Then I can only listen to it, can't make a speech. Feeling very embarrassing! So, today's Xiaobian gives you a popular science, I only need your 3 minutes, read this soon!
carat
The word comes from a plant seed called carob, which was used in ancient times to measure weight. One carat is equal to 200 mg, 142 carats is equal to one ounce, and carat can be further divided into cents. One cent is equal to one carat and half carat diamond. That is 50 points (about 100 mg).
Cleaness
Clarity is determined by judging the number and location of visible defects. Basically, the higher the grade of the gemstone, the higher the value.
defect
Most gemstones contain tiny natural ingredients called sputum. By definition, inclusions are internal defects of gemstones that add uniqueness and individuality. The inclusion is also an exciting gold test of authenticity, which records the relationship between nature and the formation of a gemstone. The clarity of a gemstone can be judged by judging the number and location of the inclusions that can be seen. Basically, the higher the clarity grade, the greater the value of the gemstone. Generally, the inclusions do not affect the gloss.
Flash/fire
When the gems reflect light, the radiance from the cut surface is called flash/fire.
Ass is too thick: cutting too deep
When the proportion of the gemstone below the waist is too deep, the light will flow away from the bottom or the side, losing the brilliance, and the fire is not good.
Outcrop: cutting too shallow
When the proportion below the waist of the gemstone is too shallow, the light will flow away from the bottom or the side, losing brilliance and the value of the gem will be low.
Cloud
A natural inclusion of a gemstone with a braided, milky, clear border.
Scratch
The gemstone is left behind by the impact of external force.
Intaglio
A gemstone carved in negative terrain is also called a vulture.
shell
A gemstone with a relief.
Faceted gemstone
A gemstone with a smooth geometrically polished surface.
Egg noodles / plain noodles
Refers to non-faceted gemstones that have no regular polished faces such as round gemstones.
Baroque
Originally used to describe a form of European music, art, and architecture in the 17th century, this form emphasizes luxury. In gemology, it is a pearl that is appropriately used to subtly describe irregular shapes.
Burning / no burning
Refers to the heat treatment / not heat treatment, GRS / Guber / GIA and other international certificates, will note whether there is burnt, the following certificate marked: H, on behalf of heated
Pigeon blood red
Pigeon blood red is just a business concept, because the fresh arterial blood of adult pigeons is close to this strange red color, so this chic ruby ​​is named "pigeon blood red".
Royal Blue Royal Blue
The royal blue color is a thick blue with a hint of purple, with a deep, elegant and elegant temperament. Since the royal blue gems have considerable requirements for color hue, concentration and saturation, the high quality sapphire on the market is highly collectible.
Cornflower blue
KashmirBlue is an evaluation of high-quality sapphires in the Kashmir region, and the sapphire that meets the "corner" has been hailed as the polar crystal in sapphire. It is a sturdy, bluish-toned, rich blue color that gives a velvety look.
Aguya, flower beads, goddess
Akoya refers to the Akoya pearl; the flower beads are the top products of Akoya pearls; the goddess is the leader in the flower beads
Break
a small mouth with a broken edge of the gemstone
Sparkiness
The intensity of white light that is totally reflected by the light on the stone. Closely related to cut ratio and symmetry
Dispersion
The light entering the gemstone is internally reflected according to the angle of the different facets. The distribution of the light reflects the seven colors of the rainbow, called dispersion.
Fire chroma
Refers to the jewel decomposition reflects the intensity of the seven color spectrum light. Closely related to cut ratio and symmetry
Starlight
Also known as the starlight effect, this is due to the reflection effect of two mutually intersecting primary bands of light passing through the surface of the gemstone. It is usually formed by reflecting light rays through thin fibers or needle-like flaws in all directions. Divided into 6 bundles, 4 bundles and even more rare 12 clusters of stars. Ruby and sapphire are sometimes prone to this phenomenon.
Cat's eye
Also known as the cat's eye effect, this is a reflection effect made by a single bright band of light passing through the surface of a gemstone, similar to the cat's narrow eyes. This is because the light is reflected by parallel fibers, needle-like inclusions or grooves. One of the most popular cat's eye gemstones is the cat's eye gold emerald - and so on. If you're just talking about cat's eye gemstones, of course you're sure to mention the cat's eye gold emerald! All other cat's eye gems, such as those found in tourmaline or tiger eye stone, must have another official name.
Faint
This is the effect of many gems like rainbow colors, which are caused by cracks or structural layers that block light into special colors. Fire agate is a gem that shows this effect. When the metallic color of the labradorite (called the color change) occurs, it is usually called "flash color", and in the case of pearls, the color is called "pearl gloss."
Discoloration
A chrome is a jewel that undergoes a noticeable color change when viewed under two different sources. The gemstones that appear this phenomenon are: gold emeralds, sapphires, and discolored garnets.
Multicolor
When the jewels are viewed from different angles, they will appear in different colors. When cutting most pleochroic gemstones such as cordierite and tanzanite, the craftsman tries to keep the pleochroism to a minimum and try to maintain a single most significant color.
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Guangzhou Forever Star Jewelry Limited Company , https://www.iforeverstar.com