Welcome to FU RONG GEMS!We supply many kinds of Loose Gemstones at factory direct price, Free Quote: [email protected]
22
2023 - 01
Loose Blue Spinel #119 Swiss blue color Pear Shape Faceted Cut 10x7mm and 6x4mm Gemstones wholesale from China Supplier and manufacturers. Pictures 119# blue color stones are usually used as the simulated color of TopazSwiss blue stones. when you're looking for a cheaper alternative blue Topaz Swiss blue gemstones, Spinel 119# blue color is one of best choice. What's Synthetic Spinel? A: Although not as widely used today as synthetic Corundum, synthetic Spinel is still one of the most common man-made gem materials, particularly blue synthetic Spinel. It appears frequently in class rings and costume jewelry. Blue, green and other colors of synthetic Spinel are mostly manufactured using the inexpensive flame-fusion method by which the Spinel develops around an elongated boule. These flame-fusion Spinels can be distinguished from natural Spinels by a slightly elevated refractive index due to a chemical variation involving higher aluminum content. Blue Synthetic Spinels of the flame-fusion type are typically colored only by cobalt. No iron is added, and therefore they are diamagnetic, another property that distinguishes blue flame-fusion Spinels from blue natural Spinels. When viewed under the Chelsea filter and also under long wave UV light, the light blue and medium blue gems pictured below...
13
2023 - 01
Loose Synthetic Blue Spinel #119 Oval Shape Faceted Cut 5x3mm and 6x4mm and 7x5mm Gemstones wholesale from China Supplier and manufacturers. Pictures 119# blue color stones are usually used as the simulated color of TopazSwiss blue stones. when you're looking for a cheaper alternative blue Topaz Swiss blue gemstones, Spinel 119# blue color is one of best choice. What's Synthetic Spinel? A: Although not as widely used today as synthetic Corundum, synthetic Spinel is still one of the most common man-made gem materials, particularly blue synthetic Spinel. It appears frequently in class rings and costume jewelry. Blue, green and other colors of synthetic Spinel are mostly manufactured using the inexpensive flame-fusion method by which the Spinel develops around an elongated boule. These flame-fusion Spinels can be distinguished from natural Spinels by a slightly elevated refractive index due to a chemical variation involving higher aluminum content. Blue Synthetic Spinels of the flame-fusion type are typically colored only by cobalt. No iron is added, and therefore they are diamagnetic, another property that distinguishes blue flame-fusion Spinels from blue natural Spinels. When viewed under the Chelsea filter and also under long wave UV light, the light blue and medium blue gems pictured below...
06
2023 - 01
Lab Grown Pulled Czochralski Pink Sapphire Oval Shaped Faceted cut Synthetic Pink Sapphire Gemstone wholesale from china Suppliers and Manufacturer. PICTURES What's the Pink Sapphire Color Stone? The Lab Created Pink Sapphires are the family stones of Synthetic Corundums. Lab Created Pink Sapphiresare 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... SYNTHETIC Pink Sapphire (Pulled Czochralski) PROPERTIES: Chemical Formula:Al2O3 Hardness: 9 Luster-Subadamantine To Vitreous Stability:Very Good Fracture:Conchoidal Refractive Index:1.762-1.77 Lab Created Pulled Pink Sapphire looks exactly like natural Blue Sapphire. Only when observed under high magnification microscope in labs, small bubbles or foreign particles...
03
2023 - 01
Lab Grown Pulled Czochralski Royal Blue Sapphire Oval Shaped Faceted cut Synthetic Blue Sapphire Gemstone wholesale from china Suppliers and Manufacturer. PICTURES What's Royal Blue Sapphire Gemstone? Royal Blue Sapphire is the top-quality Sapphire that fulfills a comprehensive set of qualities including medium deep blue to strong dark blue color (without darkening), good transparency and complete absence of any treatment. This gemstone is an ideal choice for both astrological and jewelry purposes. Geniune Royal Blue sapphire is expensive, the best alternative is to use Lab Grown Royal Blue Sapphire stones which the characteristics is nearly same as natural blue sapphires. What's Pulled Czochralski Blue Sapphire Gemstone? The Czochralski process, uses radio waves to melt the aluminum oxide. A rod tipped with a seed crystal is inserted into the mixture and slowly rotated and pulled out, creating a column of sapphire. The lab created Blue Sapphire can also be created by flame fusion but the quality and resemblance of synthetic Blue Sapphire created by Czochralski Pulled process is considered to be the best and superior to all other lab created Blue Sapphire. Flame fusion creates long, tear-shaped pieces of synthetic corundum. Consisting of a mix of aluminum oxide and chromium, would...
01
2023 - 01
Lab Grown Ruby Red Color Medium shade Round Shaped Faceted Gemstoneswholesale from china Suppliers and Manufacturer. * 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. Pictures What is Lab Grown RUBY? A:It's madeby Lab grown, hydrothermal growth (newest “Platinum” technology) which is slow and only method for successfully growing synthetic ruby. This process requires heat and pressure and imitates the conditions deep in the earth that result in the formation of natural gems. Nutrients are dissolved in a water solution, and then synthetic crystals form as the solution cools to produce a ruby gemstone. The lab created ruby can also be created by flame fusion, crystal pulling or flux growth method but the quality and resemblance of synthetic ruby created by hydrothermal process is considered to be the best and superior to all other lab created rubies. As It follows the same process as natural ruby is created make it the most superior among other rubies. Natural rubies are often over-valued. It...
31
2022 - 12
Loose Blue Spinel #119 Blue Color Heart Shape Faceted Cut 5x5mm and 6x6mm Gemstones wholesale from China Supplier and manufacturers. Pictures 119# blue color stones usually used as the simulated color of Sapphire blue stones. when you're looking for a cheaper alternative blue sapphire gemstones, Spinel 119# blue color is one of best choice. What's Synthetic Spinel? A: Although not as widely used today as synthetic Corundum, synthetic Spinel is still one of the most common man-made gem materials, particularly blue synthetic Spinel. It appears frequently in class rings and costume jewelry. Blue, green and other colors of synthetic Spinel are mostly manufactured using the inexpensive flame-fusion method by which the Spinel develops around an elongated boule. These flame-fusion Spinels can be distinguished from natural Spinels by a slightly elevated refractive index due to a chemical variation involving higher aluminum content. Blue Synthetic Spinels of the flame-fusion type are typically colored only by cobalt. No iron is added, and therefore they are diamagnetic, another property that distinguishes blue flame-fusion Spinels from blue natural Spinels. When viewed under the Chelsea filter and also under long wave UV light, the light blue and medium blue gems pictured below left and center show...
25
2022 - 12
Moissanite D Color Series:
Color: D, Colorless (Supernova),
Size: 9x11mm
Clarity:VVS
Cut: Faceted Brilliant (Heart and Arrow)
MM size & Ct weight Chart: http://m.frgems.com/loose-moissanite-stones-mm-sizes-carat-weight-chart.html
23
2022 - 12
Loose Cubic Zirconia Aquamarine Blue Color Pear Drop Shape Faceted Cut with Drilled hole 10x12mm gemstones CZ38# wholesale from China Manufacturer and Suppliers Pictures What's Pear Teardrop shaped gemstones? Pear cut - A pear or teardrop or briolette shaped loose gemstones combines the brilliance and form of a round stone with the elongated elegance of a marquise. While a pear loose gemstones is generally half again as long as it is wide, some prefer the look of a longer or shorter loose gemstones. What is Cubic Zirconia? A: Cubic Zirconia (or CZ) is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond simulant and it is a lab made created stone with a specific gravity of between 5.6-6.00 and at about 8.5 hardness on Mohs scale, which is harder than most #natural gemstones#. Its refractive index is high at 2.15 - 2.18 (B-G interval) and its luster is very good. Its dispersion is very high at 0.058 - 0.066, exceeding that of diamond (0.044). #Cubic Zirconia Gemstones# is the best stimulant for the Real diamond, it's beautiful and brilliant for the Jewelry designs. At FU RONG GEMS, you can Buy Cubic zirconia Aquamarine Color stones and Other...
21
2022 - 12
Loose Natural Genuine Black Onyx Heart Shaped Faceted 3x3mm 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...
13
2022 - 12
Loose nano crystal Tourmaline Green Color #131 Square Step Cut 4x4mm gemstones wholesale from china supplier and manufacturer. Pictures 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...
