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Aug-05-22
Aluminium Oxide Crystal for Sapphire Growing

Aluminium Oxide Crystal For Sapphire Growing

(1.0)
$10
MOQ: Not Specified
  Chongqing Research Better Science & technology Co.,ltd.
Supplier From Chongqing, Chongqing, China
Supplier Of Semi Precious Stones   |   Yellow Sapphire Gemstones (Pukhraj)   |   Blue Sapphire Gemstones (Neelam)   |   Aluminum Oxide
 
In the gem world, all kinds of gem-quality corundum other than ruby are called sapphire. The mineral name of sapphire is corundum, which belongs to the corundum group of minerals. In fact, the gem-quality corundum in nature is called sapphire, or colored sapphire, except for red called ruby, and other colors such as blue, light blue, green, yellow, gray, colorless, etc. Sapphire is preceded by a color name, such as pink sapphire. The chemical composition of sapphire (Al2O3) is mainly Fe, Ti, and color. Corundum contains iron (Fe) and titanium (Ti) and other trace elements, and presents blue, sky blue, light blue and other colors, among which the royal blue and cornflower colors that are considered to be thick but not black are the best. In cabochon cutting, when the interior is rich in three groups of inclusions parallel to the bottom surface and oriented, it can produce beautiful six-shot starlight, which is called star sapphire
The composition of sapphire is alumina, which is blue due to the trace elements titanium (Ti4) or iron (Fe2). It belongs to the trigonal crystal system, and the crystal form is often cylindrical, short column, plate, etc., and the geometry is mostly granular or dense block. Transparent to translucent, vitreous luster. The refractive index is 1.76-1.77, the birefringence is 0.008, and the dichroism is strong. Heterogeneous body. Sometimes it has a special optical effect - the star effect. The hardness is 9, and the density is 3.95-4.1 g/cm3. No cleavage, fissure development.
Industrial sapphire is a material used in special vehicles as transparent armor, and with the exception of diamonds, sapphire is harder than any other natural material.
Sapphire belongs to the trigonal crystal system and has a hexagonal structure.
The lattice constants are: a=b=4.758A, c=12.991A
Refractive index 1.762-1.770
Birefringence: 0.008- 0.010
Uniaxial crystal negative light, in some cases abnormal biaxial crystal light
Luster: bright glass luster to adamantine luster
Pleochroism: Colored sapphires have dichroism, generally, dark blue/blue, blue/light blue, blue-green, blue-gray, yellow sapphire has golden/yellow, orange/light yellow, light yellow/ Colorless, wait.
Oct-18-19
(1.3)
Supplier From Jinzhou, Liaoning, China

Gemstones like ruby, sapphire.

Supplier Of Semi Precious Stones   |   Ruby Gemstones (Manikya)   |   Yellow Sapphire Gemstones (Pukhraj)   |   Blue Sapphire Gemstones (Neelam)
Aug-17-22
(1.0)
Supplier From China

Gemstones ( opal, sapphire, emerald).

Supplier Of Emerald Gemstones (Panna)   |   Blue Sapphire Gemstones (Neelam)   |   Semi Precious Stones   |   Opal Gemstones   |   Yellow Sapphire Gemstones (Pukhraj)
Nov-25-19
(1.3)
Supplier From China, China

Moissanite, ruby, sapphire.

Supplier Of Semi Precious Stones   |   Yellow Sapphire Gemstones (Pukhraj)   |   Ruby Gemstones (Manikya)   |   Blue Sapphire Gemstones (Neelam)
Mar-05-20
(1.1)
Supplier From China, China

Gemstones like ruby, sapphire.

Supplier Of Blue Sapphire Gemstones (Neelam)   |   Semi Precious Stones   |   Ruby Gemstones (Manikya)   |   Yellow Sapphire Gemstones (Pukhraj)
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Aug-08-19
(1.1)
Supplier From China, China

Gemstones like ruby, sapphire.

Supplier Of Semi Precious Stones   |   Yellow Sapphire Gemstones (Pukhraj)   |   Ruby Gemstones (Manikya)   |   Blue Sapphire Gemstones (Neelam)
Feb-23-23
(1.0)
Supplier From Guangzhou, Guangdong, China

Synthetic Gemstones Like Cubic Zirconia, Spinel, Ruby, Nano, Glass, Lab Grown Emerald, Ruby Sapphire.

Supplier Of Blue Sapphire Gemstones (Neelam)   |   Yellow Sapphire Gemstones (Pukhraj)   |   Ruby Gemstones (Manikya)   |   Emerald Gemstones (Panna)   |   Semi Precious Stones   |   Spinel Gemstones
Sep-01-22
(1.0)
Supplier From China

Gemstones, sapphire, precious and semi-precious gemstones.

Supplier Of Blue Sapphire Gemstones (Neelam)   |   Semi Precious Stones   |   Yellow Sapphire Gemstones (Pukhraj)
Sep-26-24
(1.0)
Supplier From Changsha, Hunan, China

Cut and polished semi precious stones like emerald ruby sapphire, also cz stones , fresh water pearl etc..

Supplier Of Tourmaline Gemstones   |   Yellow Sapphire Gemstones (Pukhraj)   |   Blue Sapphire Gemstones (Neelam)   |   Ruby Gemstones (Manikya)   |   Semi Precious Stones   |   Emerald Gemstones (Panna)
Mar-16-24
(1.0)
Supplier From China

Natural emerald and ruby and and opal.

Supplier Of Semi Precious Stones   |   Opal Gemstones   |   Yellow Sapphire Gemstones (Pukhraj)   |   Topaz Gemstones   |   Tourmaline Gemstones   |   Aquamarine Gemstones   |   Blue Sapphire Gemstones (Neelam)   |   Emerald Gemstones (Panna)   |   Ruby Gemstones (Manikya)
Apr-12-24
(1.0)
Supplier From Wuxi, Jiangsu, China

Copper ore, mica, gems, lithium, cocoa, sulphur, sapphire.Clearing agents, transportation and shipping.

Supplier Of Semi Precious Stones   |   Blue Sapphire Gemstones (Neelam)   |   Cocoa Beans   |   Copper Ore   |   Lithium   |   Mica   |   Yellow Sapphire Gemstones (Pukhraj)   |   Sulphur

Service Provider Of Shipping, Air, Cargo & Railways   |   Transporters, Packers, Movers   |   Clearing & Forwarding
Aug-19-22
(1.0)
Supplier From Changsha, Hunan, China

Synthetic gemstones like cubic zirconia, spinel, ruby, nano, glass, lab-grown emerald, ruby sapphire.

Supplier Of Blue Sapphire Gemstones (Neelam)   |   Semi Precious Stones   |   Zircon Gemstones   |   Ruby Gemstones (Manikya)

Service Provider Of Manufacturer & Exporter   |   Yellow Sapphire Gemstones (Pukhraj)   |   Spinel Gemstones   |   Emerald Gemstones (Panna)
Dec-06-19
(1.1)
Supplier From China

Real gemstones like ruby, emerald, sapphire, cats eye.

Supplier Of Yellow Sapphire Gemstones (Pukhraj)   |   Emerald Gemstones (Panna)   |   Blue Sapphire Gemstones (Neelam)   |   Ruby Gemstones (Manikya)   |   Cats Eye Gemstones (Lehsunia)   |   Semi Precious Stones
Apr-05-20
(1.1)
Supplier From China

Gemstone like yellow tourmaline, green tourmaline & crome tourmaline.

Supplier Of Opal Gemstones   |   Semi Precious Stones   |   Tourmaline Gemstones   |   Citrine Gemstones   |   Tanzanite Gemstones   |   Aquamarine Gemstones   |   Ruby Gemstones (Manikya)   |   Yellow Sapphire Gemstones (Pukhraj)   |   Iolite Gemstones   |   Topaz Gemstones   |   Emerald Gemstones (Panna)   |   Blue Sapphire Gemstones (Neelam)
Sep-23-24
(1.0)
Supplier From shanghai, China

Cats Eye Gemstones (Lehsunia) Semi Precious Stones Blue Sapphire Gemstones (Neelam) Yellow Sapphire Gemstones (Pukhraj) Ruby Gemstones (Manikya) Emerald Gemstones (Panna) Frames Paper Boards Furniture Duplex Paper Board MDF Boards
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Jul-23-20
(1.3)
Supplier From Jiangmen, Guangdong, China

Tgase, meat glue, sausage food additive, transglutaminase, food additive, monascus red, monascus yellow, natural colorants, mixed colorants.

Supplier Of Spices   |   Food Colors   |   Blue Sapphire Gemstones (Neelam)   |   Chilli Powder   |   Yellow Sapphire Gemstones (Pukhraj)   |   Curd   |   Natural Stone Tiles   |   Corn Starch   |   Ruby Gemstones (Manikya)   |   Semi Precious Stones   |   Hair Colors   |   Red Chilli   |   Food Additives
Jan-04-22
(1.1)
Supplier From Changchun, Jilin, China

Powell Lens, Optical Mirrors, Optical Protection Windows, Laser Module, Collimator Lens, Aspherical Lens, Cylindrical Lens, Spherical Lens, Sapphire Customized, Bandpass Filter, Cut Off Filter, Color Glass Filter, Optical Prism.

Supplier Of Cosmetic Mirrors   |   Yellow Sapphire Gemstones (Pukhraj)   |   Blue Sapphire Gemstones (Neelam)   |   Optical Brighteners   |   Automobile Filters   |   Laser Equipments & Products   |   Industrial Filters   |   Household Mirrors   |   Optical Fiber Cables   |   Semi Precious Stones   |   Ruby Gemstones (Manikya)   |   Air Filters   |   Optical Lenses
Jan-12-21
(1.1)
Supplier From Hui zhou, Guangdong, China

Red Agate , Indian Agate , Turquoise , Semi Precious Stone , Rose Quartz , Amethyst , Quartz , Green Aventurine , Tiger's Eye, Picture Jasper, Green Piebald Stone , Gold Sand Stone, Red Quartz , Spotted Stone , Purple Fluorite , Obsidian, New Jade, White Turquoise And Alabaster , Etc..

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Mar-27-20
(1.3)
Supplier From Ningbo, Zhejiagn, China

Cabling sytems, network cabling, category 6a, cat 6, cat 5e, premium 5e, 10 giga fiber outside plant; residential; multiple system operators, cabling products, modular patching, racks, patch cords, intelligent patching, network copper fibre cabling systems solutions shielded cable category 6a cat5e cat6..OEM

Supplier Of Wires & Cables   |   Multifunction Chairs   |   Ruby Gemstones (Manikya)   |   Cats Eye Gemstones (Lehsunia)   |   Cable Assemblies   |   Computer Cables   |   Yellow Sapphire Gemstones (Pukhraj)   |   Modular Office Chairs   |   Power Cord   |   Conveyor Systems & Parts   |   Office Chairs   |   Optical Fiber Cables   |   Networking & Internet Peripherals   |   Racks, Shelves

Service Provider Of OEM & ODM Services   |   Coaxial Cables
Apr-14-22
(1.1)
Supplier From Xiamen, China

Quartz, Marble, Granite, Artificial Marble, Limestone, Travertine, Sandstone, Onyx, Jade Glass, Engineered Stone, Slabs, Tiles, Mosaic, Countertop, Cabinet, Water Jet Medallion, Cnc Carving, Marble Composite, Manufacture, Projects.

Supplier Of Opal Gemstones   |   Semi Precious Stones   |   Spinel Gemstones   |   Tourmaline Gemstones   |   Tanzanite Gemstones   |   Cats Eye Gemstones (Lehsunia)   |   Granite Slabs   |   Stone Slabs   |   Onyx Tiles   |   Mosaic Tiles   |   Quartzite Tiles   |   Slabs   |   Natural Stone Tiles   |   Concrete Slabs   |   Travertine   |   Granite & Marble Products   |   Stones & Slates   |   Stone Products   |   Tiles   |   Marble Slabs   |   Marble & Granite   |   Ceramic Tiles   |   Travertine Tiles   |   Blocks, Tiles & Slabs   |   Sinks, Washbasins, Countertops   |   Yellow Sapphire Gemstones (Pukhraj)   |   Iolite Gemstones   |   Porcelain Tiles   |   Quartz   |   Quartz Products   |   Limestone   |   Topaz Gemstones   |   Amber Gemstones   |   Onyx Gemstones   |   Emerald Gemstones (Panna)   |   Jade Gemstones   |   Coral Gemstones (Moonga)
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