Blue Spinel Vs Sapphire

Blue spinel vs sapphire.

Blue spinel vs sapphire.

Blue topaz is the result of irradiation treatment and tanzanite is often heated to enhance its blue color. However hundreds of years ago when spinel was found together with sapphire and ruby it was impossible to tell them apart. Spinel pg 2 red spinel pink spinel other colors. There is no telling how many spinels have actually been sold as sapphire.

This dissolved titanium pairs with iron to increase the amount of blue color in the stone. It is easy to understand how early gem traders confused spinel with ruby and sapphire for over 1000 years. The bright reds and deep blues are spectacular specimens. Its cheaper than sapphire and is very light.

Tourmalines pg 4 paraiba tourmalines. Blue sapphire is the most famous. Spinel pg 3 synthetic spinel. In fact spinel is in great demand among gemologists and gem connoisseurs.

A case in point is the internal diffusion seen in a heat treated sapphire induced as the titanium from rutile silk inclusions was dissolved into the crystal lattice of the host sapphire at high temperatures. Nevertheless spinel s price even in those cases is still lower than the price of sapphire and ruby. Blue spinel is a gem made of a compund of iron and sapphire. Blue spinel hues range from violet blue through very slightly greenish blue.

Blue exemplars are the second rarest spinel gems. Tourmalines pg 3 pink red yellow and other colors. Spinel occurs in a wide variety of colors. Man made spinel is used extensively.

Blue spinel is a rather special stone. Color is an important factor that defines spinel s price red spinel is rarer than other varieties and also more expensive. Red and blue spinel. Garnet pg 2 understanding garnets.

In the deeper blue colors there are only softer stones such as kyanite and iolite. This has to some degree closed the spinel vs. Sapphire ruby. Discovered accidentally when scientists were experimenting to try and produce a flame fusion blue synthetic sapphire spinel s great advantage is that it can be made to reproduce almost all colors except purple the blue synthetic spinel sapphire imitant is much more genuine looking than a synthetic blue spinels imitating synthetic sapphires.

Other varieties are more common and less sought after. Sapphire ruby pg 2 ruby. With modern gemological tools we can easily distinguish between blue spinel and blue sapphire.