RUBY GEMSTONE

                                         RUBY GEMSTONE

 

   The best quality of ruby stone is found in madagasar, With the blood red colour. 

 A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by the presence of the element chromium. Its name comes from ruber, Latin for red. Other varieties of gem-quality corundum are called sapphires. The ruby is considered one of the four precious stones, together with the sapphire, the emerald, and the diamond.

 A naturally occurring ruby crystal.....



                                                                 A sample of ruby locket...

                  





Ruby under a normal light (top) and under a green laser light (bottom). Red light is emitted