Star rubies

Ruby is a variety of corundum (A1203) with a Mohs hardness of 9. Its red color results when chromic ions (Cr3+) replace some of the aluminum ions in the crystal. The finest rubies come from Myanmar (formerly Burma) or Kenya. Star rubies are stones with a special starlike appearance. They usually have a cabochon cut and appear to show a 6-pointed star due to microscopic inclusions. Rubies of very high quality are sometimes made synthetically. 

It is produced artificially for use as a gemstone, but it is relatively soft. Star sapphires and rubies exhibit their asterism as a result of the presence of Ti02. 

CRYSTAL GROWTH FROM THE MELT Vemeuil (flame fusion) ruby, sapphires, and stars spinel rutile strontium [iianale... 

Today s stars are pomegranate with exceptionally high antioxidant activity ( Packed with powerful antioxidants and vitamins, this ruby-red fruit has been shown to be a cttre-all for just about any ailment ), astaxanthin produced by some algae ( tmique anti-oxidant and king of the carotenoids ), green tea ( rejuvenate... 

Rubies are the red gemstone of corundum sapphires can be blue, yellow, green, or violet. Only diamond is harder than rubies or sapphires. Rubies and sapphires are difficult to cut because they have no cleavs e and are brittle. Some of the most lamous rubies and sapphires are much more expensive per carat than diamonds. One of the most lamous sape phires is the Star of India (53 carats), and one of the most lamous rubies is the Edwrard ruby (167 carats). 

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