Until recently only emerald ruby and sapphire were officially called precious gemstones.
Diamond ruby sapphire emerald value.
This distinction reflects the rarity of the respective stones as.
Until recently only emerald ruby and sapphire were officially called precious gems.
Emerald has been synonymous with the color green since ancient times.
Diamond emerald sapphire and ruby all the gemstone which are not these four are considered semi precious stones.
The color of a ruby is due to the element chromium.
This is evident from the very fact that diamond exhibits perfect cleavage which means it can be easily split by a single blow whereas the other precious stones possess no such cleavage and are hence much preferred due to their longevity.
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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.
The word ruby comes from ruber latin for red.
Ruby sapphire emerald are more durable than diamond.
Most emeralds have small fissures called inclusions.
The fewer the inclusions the more expensive the emerald.
The precious categorization is a reference to value.
Everything else was called semi precious.
All other gems were referred to as semi precious.
Since ancient time stones was classified by their hardness with the term precious stones are considered the four more precious and desirable gemstone with the highest hardness and value.
In general the deeper and more vivid an emerald s color the higher its value per carat.
A really fine ruby emerald or sapphire can be priced higher per carat than a diamond which most people consider the ultimate gemstone.
A really fine.
A fine emerald is a truly breathtaking sight and this member of the beryl family deserves its placement among the traditional big four gems along with diamond ruby and sapphire.