Blue Spinel Vs Sapphire

Spinel pg 2 red spinel pink spinel other colors.

Blue spinel vs sapphire.

Tourmaline pg 2 black orange blue green tourmalines. Blue spinel hues range from violet blue through very slightly greenish blue. In fact spinel is in great demand among gemologists and gem connoisseurs. Common crystal forms are octahedra usually twinned it has an imperfect octahedral cleavage and a conchoidal fracture its hardness is 8 its specific gravity is 3 5 4 1 and it is transparent to opaque with a vitreous to dull luster.

Sapphire status and reputation sapphire has always had a royal connection and was frequently worn by royals and the clergy throughout history. Spinel has been making a name for itself over the last couple of decades and demand for fine stones well exceeds supply. Garnet pg 2 understanding garnets. Red is the costliest followed by blue then pink and in last multi colors.

Tourmalines pg 3 pink red yellow and other colors. Blue spinel vs sapphire. Synthetic spinel showing a neon red color under short uv rays. With modern gemological tools we can easily distinguish between blue spinel and blue sapphire.

Sapphire ruby. This has to some degree closed the spinel vs. Spinel occurs in a wide variety of colors. Picture courtesy ruby sapphire.

Nevertheless spinel s price even in those cases is still lower than the price of sapphire and ruby. Synthetic spinels are very. However hundreds of years ago when spinel was found together with sapphire and ruby it was impossible to tell them apart. There is no telling how many spinels have actually been sold as sapphire.

It is noteworthy that the world s most famous engagement ring is the iconic blue sapphire ring of princess diana worn now by kate middleton. Other varieties are more common and less sought after. There is a big difference in between the price of natural and synthetic spinels. It may be colorless but is usually various shades of pink rose red blue green yellow brown black or.

Sapphire ruby pg 2 ruby. Hi here is just a small video that shows 4 stones cut from synthetic boules of corundum and spinel the one you can see at the beginning of my video synthetics corundum and spinel. Red and blue spinel. Tourmalines pg 4 paraiba tourmalines.

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. Spinel crystallizes in the isometric system. Color is an important factor that defines spinel s price red spinel is rarer than other varieties and also more expensive.