We have an 8.0 carat Ceylon vivid royal blue sapphire for sale.
We expect 10,000 USD per carat.
Gem Certification & videos are available.
WhatsApp / Viber for more info.
Sapphire windows ,various sizes in stock, For sapphire viewports, sapphire laser protect window, optic windows. Also can do Custom sapphire windows and many types sapphire components, please contact us for more informations.
Sapphire rods, Sapphire Plungers, Sapphire Tips, end surfaces polished/ round surface polished/ all polished/ Ground surface all available. Please contact us for more informations!
Pricing of blue sapphire is differs with the blue sapphires cherished globally taking places in the engagement ring of and other anonymous elite collectors.
Sapphire brings its own particular wisdom.
Unheated
Origins :-Ceylon
Weight :- 1 CTs
Cut :- step cut and cushion shape
Blue Sapphire comes in many standard shapes like oval, round, emerald, and cushion, and other delicate shapes such as cabochon, and convex dome, you have a lot to choose from adorning your Lehenga to Dungaree dresses.
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.
4749 Blue Sapphire Gemstones (Neelam) Suppliers
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