Fire Blue Spinel Vs Sapphire

Color of the skies color of the oceans.

Fire blue spinel vs sapphire. It is easy to understand how early gem traders confused spinel with ruby and sapphire for over 1000 years. Admirers everywhere gravitating to what they are fond of most. Blue spinel is a gem made of a compund of iron and sapphire. Blue spinel reaction under chelsea filter.

In fact spinel is in great demand among gemologists and gem connoisseurs. Blue spinel vs sapphire. Spinel occurs in a wide variety of colors. Chatham lab grown sapphire with its blues so saturated and velvety as gia puts it you ll be stepping in rhythm and swimming in deep in no time.

When a natural cobalt blue spinel is viewed through the chelsea filter it appears a bright red color. The bright reds and deep blues are spectacular specimens. There are few gems that occur naturally in blue. Spinel has been making a name for itself over the last couple of decades and demand for fine stones well exceeds supply.

Red and blue spinel. Blue sapphire comparison natural v. 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. The history of sapph.

In the deeper blue colors there are only softer stones such as kyanite and iolite. For that reason spinel had received insufficient recognition in the. Blue topaz is the result of irradiation treatment and tanzanite is often heated to enhance its blue color. This has to some degree closed the spinel vs.

With modern gemological tools we can easily. Blue sapphire is the most famous. 0 02 heat resistance up to. Blue spinel is a rather special stone.

Its cheaper than sapphire and is very light. Spinel is a gemstone that can be red blue purple rose black or brown in color or also colorless. Blue spinel hues range from violet blue through very slightly greenish blue. Spinel that does not contain cobalt will not turn red.

It may be colorless but is usually various shades of pink rose red blue green yellow brown black or. Spinel crystallizes in the isometric system. The chelsea filter is a tool that shows traces of chromium and cobalt.