Another historical factor contributed to spinel s value in the minds of consumers.
Blue spinel stone value.
Like all spinel these stones should be eye clean and free from inclusions.
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 prices are based on color clarity size and to some degree on origin.
The most valued spinel colors are bright red cobalt blue and vivid pink and orange.
Blue spinel is a very special gemstone because it is one of the few that occur naturally.
Star spinels are known but are extremely rare.
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.
Iron spectrum has lines in blue especially at 458 plus narrow line at 478 and weak lines at 443 and 433.
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.
These colors the mysterious yet inviting blacks the soft mint greens all shades of blues and the much loved make this.
Two strongest are at 686 675 plus 635 585 555 and 508.
Beautiful blue spinel gemstone in custom design lab grown.
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.
Spinel is a gemstone that can be red blue purple rose black or brown in color or also colorless.
The cobalt blue of synthetic spinel nigerian blue gahnite also has bands at 700 and 570 like those seen in spinel.
115 00 1d 16h 8 30 shipping.
Some gemstones have synthetic counterparts that have essentially the same chemical physical and optical properties but are grown by man in a laboratory.
Blue spinel is a rich cobalt blue hue rivaling some of the finest sapphires you ll see.
If the stone has.
Make offer beautiful blue spinel gemstone in custom design lab grown.
The exquisite range of accessories includes a selection of rings earrings necklaces and more to match every mood or ability.
It s a strongly desirable shade infrequently seen at affordable rates in today s market.
This iron spectrum is distinctive vs.
Because spinel has excellent hardness 8 on the mohs scale it is an gem suitable for all types of jewelry.
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.
Rare blue spinel gem fancy heart cut tunduru tanzania natural untreated gemstone.
