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Synthetic Lab Created Corundum alexandrite color change 45# and 46# Pear Shape facetedcut 10x7mm gemstones Wholesale at factory direct price from China Suppliers and manufacturers. --Also Called as Synthetic Alexandrite,Lab created Alexandrite Color change Gemstones.--We Supply and Manufacture Alexandrite Color change stones in all kind of popular Shapes and Sizes;--Color Shades:#45 shade (With Color change Green Base), #46 (With color change Amethyst base) Pictures Color Change Under another Light: What's the Alexandrite Color Change Stone? Alexandrite is the highly regarded color changing variety of Chrysoberyl. The color of Alexandrite changes under different lighting conditions. If viewed in daylight, its color is greenish blue to dark yellow-green. If viewed in incandescent or candle light, its color is pink to red. Alexandrite is a very rare and highly valuable gemstone, and until recently was extremely difficult to obtain due to its rarity. However, new sources in Brazil and Tanzania have made this gemstone available and more mainstream on the gemstone market. Natural Alexandrite is rare, now there's one of best alternative Color change is to use Corundum Color change gemstones. What's the Synthetic Corundum Alexandrite Color Sapphire Color Stone? True synthetic alexandrite itself is rarely seen because it is much easier to create synthetic corundum and synthetic spinel with color change properties that look like alexandrite. Synthetic corundum changes from a purple resembling amethyst under artificial light to a greyish-blue in daylight where synthetic spinel more closely resembles alexandrite with its change from reddish to blue-greenish hues. (There is also genuine color-change sapphire which mimics alexandrite, as well as color-change garnet that can be a real fooler.) The most common Corundum colors are Blue Sapphire and Ruby color stones, but we can also supply White Sapphire, Orange Sapphire, Yellow Sapphire and Alexandrites in many kinds of popular shapes and sizes. We have...

Synthetic Lab Created Corundum ACorundum Alexandrite Color change 45# Round Shape Faceted Cut 8mm stones Wholesale from China Suppliers and manufacturers. --Also Called as Synthetic Alexandrite,Lab created Alexandrite Color change Gemstones.--We Supply and Manufacture Alexandrite Color change stones in all kind of popular Shapes and Sizes;--Color Shades:#45 shade (With Color change Green Base), #46 (With color change Amethyst base) Pictures Synthetic Alexandrite Color #46 (With color change Amethyst base) #45 shade (With Color change Green Base) What's the Synthetic Corundum Alexandrite Color Sapphire Color Stone? True synthetic alexandrite itself is rarely seen because it is much easier to create synthetic corundum and synthetic spinel with color change properties that look like alexandrite. Synthetic corundum changes from a purple resembling amethyst under artificial light to a greyish-blue in daylight where synthetic spinel more closely resembles alexandrite with its change from reddish to blue-greenish hues. (There is also genuine color-change sapphire which mimics alexandrite, as well as color-change garnet that can be a real fooler.) The most common Corundum colors are Blue Sapphire and Ruby color stones, but we can also supply White Sapphire, Orange Sapphire, Yellow Sapphire and Alexandrites in many kinds of popular shapes and sizes. We have quite a collection of Alexandrite Color Loose gemstones such as popular Round Brilliant Cut,Princess Cut,Emerald Cut,Cushion Cut and also unique heart, Oval,Octagon,Marquise, Pear,Star Cuts and Much More... What is Corundum and What are its Basic Qualities?A: Corundum is an aluminum oxide that commonly forms hexagonal barrel-shaped prisms that taper at both ends or as thin tabular hexagonal plates. It has a hardness of 9 on the Mohs scale, making it one of the most durable commercial gemstones. It has no dominant cleavage and fractures in a conchoidal manner. A high density of ~4.0 g/cm3 (most silicate minerals are ~2.6 g/cm3) results in...

Lab Grown Diamond Yellow,Green,Pink,Red and blue color Loose Lab grown Diamonds Wholesale from China Suppliers & Manufacturer PICTURES What are the Yellow green pink blue color lab grown Diamond? There is no doubt that diamonds are the world's most popular precious gemstones. Any piece of yellow green pink blue color diamond jewellery would benefit from its value, sparkle, and elegance. Since the invention of radiant cuts, yellow diamonds have become more popular. It is common for yellow diamonds to be cut in fancy shapes and recut in order to maximize the diamond's face-up color intensity. Among other coloured diamonds, their lower price per carat and rarity make them ideal for fashion trends in the new decade. It is interesting to note that white diamonds graded at the bottom of the colourless grading scale are found to have trace amounts of yellow. A stone's value increases as it is yellow become more vivid. Now You can get Yellow green pink and blue color Lab diamonds at a cheap price wholesale directly from China Suppliers. What's Synthetic/Lab Grown diamond? A synthetic diamond (also known as a laboratory-grown diamond, a cultured diamond, or a cultivated diamond) is a diamond produced by a controlled process, as contrasted with a natural diamond created by geological processes or an imitation diamond made of non-diamond material that appears similar to a diamond. Synthetic diamond is also widely known as HPHT diamond or CVD diamond, after the two common production methods (referring to the high-pressure high-temperature and chemical vapor deposition crystal formation methods, respectively). While the term synthetic may sometimes be associated by consumers with imitation products, synthetic diamonds are made of the same material as natural diamonds—pure carbon, crystallized in an isotropic 3D form. WHAT IS THE DIFFERENCE BETWEEN HPHT AND CVD? When comparing CVD vs HPHT...

Loose nano crystal Emerald Green #114 Color Oval shape faceted cut 8x10mm and 7x9mm gemstones wholesale from china supplier and manufacturer. Pictures Emerald Green Color is one of most popular color gemstones for jewelry setting, if you do the wax casting, Nano Emerald Green Color Gemstones is the best Choice , as it's heat resistant, withstand a high temperature. There're other popular Emerald Green color stones options: Nano Crystal Emerald Green Colors Cubic Zirconia Emerald Green Colors Glass Emerald Green Colors. Moissanite stones Green Color stones. What is Nano Gemstones ? A: Nano Crystal gemstone - is the glass-ceramic material with nano sized (10⁻⁹m) crystals of Spinel in an aluminosilicate glass matrix, which is not special glass and it is not synthetic crystal or mineral - it is their hybrid. This composite material has unique physical and optical properties: Color (homogeneous and even), Density (3-3.3g/cm³), Luster (RI=1.61-1.64); Melting temperature (more than 1650 C°) and high thermal shock resistance make this material ideally compatible with the wax-casting technology. Nano Crystal gemstone are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln safe and blow torch safe with out colour change or damage. #Nano Crystal gemstone# does not contain any health hazardous contaminants (lead, arsenum, cadmium) Hardness: 7 on Mohs scale Refractive Index: 1.65-1.7 Specific Gravity: 3.5-4 Dispersion: 0.015 Melting Point: 1700 degrees Celcius It does not change color when heated. Can be used in wax casting. The Main characteristics of Nanosital/Nano Crystal stones: 1.Nano Stone's specific gravity index is very close to that of the most valuable...

Loose Nano crystal Sapphire Blue Color 121/1# Round shape Cabochon cut 2.0mm and 2.5mm gemstones wholesale from china supplier and manufacturer. Pictures This Color #121/1 Sapphire blue is the most popoular & best alternative color for the Synthetic Sapphire blue color stones. About the Sapphire Blue color Gemstones:Sapphire is the September birthstone and for the 5th and 45th anniversary gemstone gifts. For specific birthstone information, September birthstone, Sapphire, Sapphire comes in all colors except red! It may be colorless, a deep blue, green, golden yellow, pink, reddish-orang, and violet. The most valuable color of sapphire is referred to as "corn-flower blue;" black, grey, or green overtones to this vivid blue will reduce overall value. Blue sapphire is not as expensive as diamond, emerald, and ruby, with the exception of the rare variety called Padparadscha, an orange-pink stone, and some Pink stones. Another better alternative sapphire blue color gemstones are Corundum Blue sapphire, nano crystal Blue Sapphire stones, Lab Grown Blue sapphire gemstones. What is Nano Gemstones ? A: Nano Crystal gemstone - is the glass-ceramic material with nano sized (10⁻⁹m) crystals of Spinel in an aluminosilicate glass matrix, which is not special glass and it is not synthetic crystal or mineral - it is their hybrid. This composite material has unique physical and optical properties: Color (homogeneous and even), Density (3-3.3g/cm³), Luster (RI=1.61-1.64); Melting temperature (more than 1650 C°) and high thermal shock resistance make this material ideally compatible with the wax-casting technology. Nano Crystal gemstone are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln...

Loose Natural Genuine Black Onyx Heart Shape Checkerboard Flat bottom 10x10mm and 6x6mm gemstones Wholesale at factory direct price from China Suppliers and manufacturers. Picture Black Onyx Color: Black Shape: Heart Quality: AAA Size: 5,6,8,9,10,11,12,13,14,15,16,17,18,19,20 MM Quantity: As per your choice Other shapes available: Round, Pear, Marquise, Triangle, Cushion, Rectangle If you need more Sizes and Shapes that are not listed please let us know, we can make it. What's Natural Black Onyx stones? Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colors of its bands range from black to almost every color. information from Wikipedia Color: Black, Luster: Vitreous Crystal system: Hexagonal crystal system Chemical formula: SiO₂ Hardness (Mohs hardness scale): 7 Mineral class: Chalcedony Transparency: Opaque The spiritual meaning of the black onyx stone: lack Onyx meaning is Self-control, decision making, intuition, protection. ... Black Onyx is associated with the planet Saturn, which will bring a positive vibe for those born in the shadow of the planet Saturn. It is a stone for Leo zodiac sign. Black Onyx stone will helps maintenance Leo characteristic. Where to buy Natural Black Onyx stones? We have a quite collection of loose Natural Black Onyx gemstones in popular shapes cuts at wholesale at factory price from China .Contact us for a quote. POPULAR SHAPES AND SIZES: * Factory direct. * Strict quality control. * Large Stock. * Customized is welcome. *All Photos are 100% real shoot. Cutting provide: all kinds of Poupular shapes/cut and also can be made in custom shapes/cuts. Delivery date: 1-2 days for in stock, 7-10 days for custom orders. OUR ADVANTAGE Factory & Manufacturer since...

Loose Synthetic Lab Created Corundum Rose Pink sapphire 3# Baguette Shape Step Cut 2x4mm and 3x5mm Loose gemstones Wholesale from China Suppliers and manufacturers. --Also Called as Synthetic Pink Sapphire,Lab created Pink Sapphire.--We Supply and Manufacture Corundum Pink sapphire stones in All kinds of popular Shapes and Sizes;--Color Shades:Pink sapphire 2# (Medium), Rose Pink sapphire 3# (Dark), Pictures What's the Pink Sapphire Color Stone? The Lab Created Pink Sapphires are the family stones of Synthetic Corundums. Lab Created Pink Sapphires are made by a method called Flame Fusion.They are made in such a way that they look like Natural gemstones. These Lab Created gemstones have the same chemical properties of the real stone,Have the same hardness, density and appearance like the Natural Pink Sapphire. Only a trained eye can tell the difference between the two. The most common Corundum colors are Blue Sapphire and Ruby color stones, but we can also supply White Sapphire, Orange Sapphire, Yellow Sapphire and Alexandrites in all shapes and sizes. We have quite a collection of Pink Sapphire Color Loose gemstones such as popular Round Brilliant Cut,Princess Cut,Emerald Cut,Cushion Cut and also unique heart, Oval,Octagon,Marquise, Pear,Star Cuts and Much More... What is Corundum and What are its Basic Qualities? A: Corundum is an aluminum oxide that commonly forms hexagonal barrel-shaped prisms that taper at both ends or as thin tabular hexagonal plates. It has a hardness of 9 on the Mohs scale, making it one of the most durable commercial gemstones. It has no dominant cleavage and fractures in a conchoidal manner. A high density of ~4.0 g/cm3 (most silicate minerals are ~2.6 g/cm3) results in corundum occurring in secondary placer deposits and recoverable by panning methods, similar to how you would recover placer gold. Corundum comes in all colours of the rainbow but is...

Lab Created Synthetic Spinel Green Tourmaline #152 Color Square ShapePrincess Cut 3.5x3.5mm and 4.5x4.5mm gemstones Wholesale at factory price from China Supplier and manufacturer.   What's the lab created green tourmaline Gemstones? The material oflab created green tourmaline is the Spinel, green color spinel stones belongs to the Spinel Family stone. Lab created Green tourmaline are the Color Number 149# and the Dark Green 152# of Spinel. What's Green Tourmaline Gemstones? Green tourmaline is a type of green crystal and is part of the tourmaline family, which also features colors such as red, yellow, blue, colorless and even black. Green tourmaline is considered to be the most common tourmaline gemstone, and is considered the classic color of the gem. Green tourmaline stones feature a wide range of shades within the green color range. While some of these gemstones feature a darker bottle green color, others stones can range from a very light green to a yellowish green, or olive color. Certain green tourmaline stones feature a blue-green or darker green color. Green tourmaline featuring the blue-green colors are considered to be the most favored colors and are increasingly rare compared to other shades of the gemstone. In certain jewelry settings the green tourmaline gemstone can often appear similar to the green emerald stone. The stone features a very high clarity rating as a type 1 and also has a trigonal crystal structure. The green tourmaline is rated a 7.5 for hardness on the Mohs scale, which is considered to be a good level of hardness. This means the stone is resistant to scratches as well as other abrasions. Green tourmaline is considered to be lustrous and very refractive. The stone can be located in mines in Brazil, Pakistan, Madagascar, Afghanistan, Nigeria as well as across the United States of America....

Loose Harden Glass Sapphire Blue color BA213# Cushion shape facetedcut 10x10mm and 7x7mm gemstones Wholesale from China Suppliers and manufacturers. Pictures What is Harden Glass Gemstones ? A: Glass is an amorphous form of silica (with various percentages of additives) that has been used as a gemstone for millennia. Glass for gemstones is man-made, formed by fusing silica sand with various additives at temperatures of 1000+°C.Natural glasses include obsidian, which is is a rapidly quenched lava, and closer to pure silica glasses, such as libyan desert glass.A unique man-made glass, although not often used in gems for obious reasons, is trinitite, a mildly radioactive glass formed from the fusing of sand by the detonation of the first atomic bomb in 1945.Common glass has poor dispersion and refractive index, however it is very cheap to manufacture and is known in jewellery terms as paste - often backed with metal foils to increase brilliance. Hardened Glass Gemstones is one of the best stimulant for the CZ Stones or Natural Color Gemstones , which the colors are beautiful, but are cheap for the Jewelry designs. Hardness: 5-5.5 on Mohs scaleRefractive Index: 1.45-1.54Specific Gravity: 2.2-2.6Dispersion: 0.005-0.007Melting Point: 600-700 degrees Celcius At Fu Rong Gems, you can Buy high quality of Loose Hardened Glass Gemstones at Wholesale Direct Factory prices from the Real China Professional Manufacturers and Suppliers. Glass gemstones comes in all the basic shapes like Round, Oval, Pear, Octagon, Square, Heart, Marquise and etc. We can supply glass stones in about 200 colors. Click the following Color Chart of Popular colors and Shapes & Size Chart to learn More. OUR ADVANTAGE Factory & Manufacturer since 2008, strong productive ability. Ensure the large quantity supply of product. We are one of the largest manufacturers & Suppliers of Loose gemstone in Wuzhou City. Strict quality...

Lab Created Grown Hydrothermal Emerald Zambia Green Color Trillion Shape faceted Cut 10x10mm and 8x8mm gemstones Wholesale at factory direct price from China Suppliers and manufacturers. PICTURES There're 2 popular Lab grown Emerald Green Color Gemstones,One is Zambia Green, another is Colombia Green color. How can you tell a Zambian emerald? Emerald appearance is sometimes associated with its mine location. Colombian emeralds are said to have a warmer and more intense pure green color. Zambian emeralds are said to have a cooler, more bluish green color. Generally, Zambian emeralds are deep green with slight bluish overtone. ABOUT LAB HYDROTHERMAL EMERALD GREEN STONES Today you can find all sorts of Lab Created Gemstones in the market like lab created ruby, lab created sapphire, lab created Alexandrites. Out of all these Lab Created Gemstones, the Lab Created Emerald is considered to be the best discovery made by man. Not everyone can afford to wear a jewellery with real emerald stones as a top quality real emeralds can cost upto $40,000 to $100,000 a carat. But most of the people can afford to wear jewelry with synthetic emeralds in it as you can easily find a top quality lab created emerald at FU RONG GEMS for below $100. The lab created emeralds that we supply here are made by the hydrothermal process that is why some people also call it hydrothermal emerald. This process uses a water solution at high temperatures and it takes many months to create a top grade synthetic emerald rough. We then use specialist engineers to cut these stones from the roughs to get the best grade lab created emeralds. The synthetic emeralds you find here will have the same chemical composition as the real emeralds. There're other Emerald Green color stones options: Nano Crystal Emerald Green Colors Cubic...