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.
Ruby color gem stone.
Stones lighter than this are called pink sapphire.
Ruby is gem quality red corundum.
A gem color largely depends on its chemical composition and crystalline structure.
Ruby is distinguished for its bright red color being the most famed and fabled red gemstone.
Ruby is the most popular colored stone.
The color comes from traces of chromium.
Ruby is the red variety of the mineral corundum.
The color of a ruby is due to the element chromium.
This makes ruby one of the most important gems in the colored stone market.
It ranges in color from dark red to brown to a deep black.
All other color varieties of gem quality corundum are referred to as sapphire.
The colour of different types of gemstones is so enormous that no exact term defines every individual tone.
Ruby ruby s range in color from a light magenta to a dark magenta to a deep rich red.
Star garnet star garnet is a smooth opaque gemstone with a shimmer to its dark color giving it the look of a night sky.
The name ruby is derived from the latin word ruber which means red.
When determining the quality of ruby based on its color the hue saturation and tone must always be taken into account.
Like other colored gemstones they also look great in halo settings which emphasize the rich color of the ruby center stone.
Hue is important because it refers to the basic color of rubies.
Chromium is the trace element that causes ruby s red color.
Ruby history and lore.
Sapphire the other gem variety of corundum encompasses all colors of corundum.
They range in price from 25 to upwards of 5000.
At the other extreme if the color is too light the stone may be considered to be a pink sapphire even if color strength or intensity is high.
Beside for its bright color it is a most desirable gem due to its hardness durability luster and rarity transparent rubies of large sizes are even rarer than diamonds.
Different gemstones contain element traces in varying amount which lend them a unique colour.
For example this 1 04 carat ruby engagement ring has an impressive halo setting that attracts attention to the beautiful center stone all while giving the ring an elegant classic appearance.
When the mineral known as corundum is of gem quality and a vivid red color it is called ruby historically mined in asia many rubies such as these are now being found in africa.
That said pink sapphires enjoy a following at a far more competitive prices than rubies.
In its purest form the mineral corundum is colorless.
The word ruby comes from ruber latin for red.
