Sapphire Ruby Gem Stone

Rubies are red and sapphires are not.

Sapphire ruby gem stone.

The word ruby comes from ruber latin for red. A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum aluminium oxide other varieties of gem quality corundum are called sapphires ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond. For example a 6 5 mm round diamond sapphire and opal all cut in the same proportions will all weigh different. The density or specific gravity sg of the material will also affect the weight.

Thus they ll weigh more than the sizes on the chart. Diamond ruby sapphire and emerald but are there really four or just three. The color of a ruby is due to the element chromium. Ruby is the most popular red gemstone and sapphire is the most popular blue gemstone.

The pie chart on this page shows the share of colored stone imports on a dollar value basis that went to the categories of sapphire ruby emerald and all other gemstone varieties during the 2015 calendar year. You may have heard that rubies and sapphires are essentially the same type of gemstone and that the only difference is color. Ruby is the most valuable variety of the corundum mineral species which also includes sapphire.