Blue Sapphire Corundum Value

Another famous variety of corundum is ruby.

Blue sapphire corundum value.

Ruby is the red variety and sapphire is the variety that encompasses all other colors although the most popular and valued color of sapphire is blue. Top sapphires reach vivid saturation. Corundum is best known for its gem varieties ruby and sapphire. Sapphire ceylon untreated blue si vvs type ii 3 000 to 5 500 per carat.

However the term sapphire encompasses all other gem varieties and colors of corundum as well except ruby which is the red variety of corundum which has its own name. Those varieties are also considered sapphires and are sometimes called fancy sapphires. Although hue counts the closer to a pure blue the better saturation is more important. In fact gem quality corundum can occur in many different colors such as orange pink green purple and others.

Sapphires exist in a variety of colors. Sapphires are generally categorized as blue sapphires any sapphire with a predominantly blue hue or fancy sapphires sapphires of any other color. While ruby is the red form of the mineral corundum sapphire is defined as any other color variety of corundum. Many sapphires on the market are actually grayish.

Ruby and sapphire are scientifically the same mineral but just differ in color. The word ruby comes from ruber latin for red. So if ruby is red and sapphire is blue what about the orange yellow green and violet corundum as well as all the other shades in between. Color is the most important element in estimating the value of blue sapphire.

Non gem corundum is abundant throughout the world. Red corundum is known as ruby and all other colored corundum including colorless or white sapphire as it is known in the trade is sapphire although blue is the most well known. In the gem industry sapphire without any color prefix such as blue sapphire refers to the blue variety of the mineral corundum. Inclusions in general burmese thai and australian blue sapphires contain crystals of plagioclase feldspars orthoclase niobite columbite calcite monazite zircon apatite fergusonite and thorite.

Sapphire is the blue variety of the mineral corundum and is the most popular blue gemstone. Gem quality corundum is often found in placer deposits. The color of a ruby is due to the element chromium.