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Blue spinel stone value.
The cobalt blue of synthetic spinel nigerian blue gahnite also has bands at 700 and 570 like those seen in spinel.
Make offer beautiful blue spinel gemstone in custom design lab grown.
While all spinels are increasing in popularity it is the blue variety that is starting to attract attention of savvy gemstone buyers.
Spinel occurs in a wide range of colors including red pink orange yellow green blue gray and black.
Its red and blue varieties are sometimes confused with ruby or sapphire two of the gemstone variations of the mineral corundum because of their striking visual resemblance.
Like all spinel these stones should be eye clean and free from inclusions.
These colors the mysterious yet inviting blacks the soft mint greens all shades of blues and the much loved make this.
Find a gemstone blue spinel with lots of varieties that spin your head well.
This iron spectrum is distinctive vs.
Some gemstones have synthetic counterparts that have essentially the same chemical physical and optical properties but are grown by man in a laboratory.
Star spinels are known but are extremely rare.
Beautiful blue spinel gemstone in custom design lab grown.
Spinel is never treated in any way and continues to be a great substitute for ruby and sapphire as well as an outstanding stone in its own right.
From this page you can use our filters at the top or on the left hand side to find blue spinel gems by shape cut and so on.
Such lab created spinel is very commonly used in cheap birthstone jewelry and school rings since it can be created in any color.
Spinel is a gemstone that can be red blue purple rose black or brown in color or also colorless.
Iron spectrum has lines in blue especially at 458 plus narrow line at 478 and weak lines at 443 and 433.
Blue spinel is a very special gemstone because it is one of the few that occur naturally.
When auguste verneuil perfected the flame fusion process for creating synthetic corundum in 1902 the same method was applied to the creation of synthetic spinel.
If the stone has.
Because spinel has excellent hardness 8 on the mohs scale it is an gem suitable for all types of jewelry.
115 00 1d 16h 8 30 shipping.
Rare blue spinel gem fancy heart cut tunduru tanzania natural untreated gemstone.
Blue spinel is a rich cobalt blue hue rivaling some of the finest sapphires you ll see.
It s a strongly desirable shade infrequently seen at affordable rates in today s market.
Two strongest are at 686 675 plus 635 585 555 and 508.
Natural blue spinel is extremely rare commanding some of the highest prices seen among spinel stones.
An assessment of the following characteristics determines spinel s value.
