A very beautiful cobalt blue spinel has also been found but it is extremely rare. Pure spinel is colorless but impurities are responsible for the wide range of colors. Increasing demand for ruby alternatives rekindled appreciation for spinel s rich red color and history. Spinel comes in blue with the finest stones comparable to that of sapphires and considered extremely rare. Spinel has long been found in the gemstone bearing gravel of sri lanka and in limestones of the badakshan province in modern day afghanistan and tajikistan.
Spinel is a transparent to opaque gem with colors as vivid as ruby like reds some darker brick red and some almost orange. Until recently spinel was an underappreciated gem with little consumer recognition. In ancient times southeast asia s mines yielded exceptional large spinel crystals which became the treasured property of kings and emperors often passing through many hands as spoils of war. Spinel mg fe al 2 o 4 is a common mineral in the ca al rich inclusions cais in some chondritic meteorites. Pure spinel is however colorless but the presence of impurities has made it a gemstone with a wide assortment of colors like pink orange purple green red and blue.
Most blue spinels are deep in color tending towards gray and some with a violet tinge. Spinel is the beautiful gemstone that is available in various colors. The most valuable and desirable spinel color is a deep blood red though blue yellow orange pink and purple colors also make fine gemstones. With all these attributes one wonders how on earth it can be so undervalued and under appreciated. Spinel also occurs in shades of yellow some incredible pinks.
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Part of the problem is the synthetic spinel created in the laboratory and used in. Spinel can be manufactured very easily and can be finished in any. Natural spinel gemstones introduction. Part of the problem is the synthetic spinel created in the laboratory and used in. Most blue spinels are deep in color tending towards gray and some with a violet tinge.Natural spinel gemstones introduction. Spinel is a transparent to opaque gem with colors as vivid as ruby like reds some darker brick red and some almost orange. A very beautiful cobalt blue spinel has also been found but it is extremely rare.
