Ruby 6mm Rondelle Faceted - 15-16 Inch Argenon displaying these colors in patterns

displaying these colors in patterns of parallel bands

perception and analytical abilities

inclusions of Goethite or Hematite refract the light between the layers of the crystal

with a Mohs Hardness of 8

Ruby 6mm Rondelle Faceted - 15-16 Inch Argenon displaying these colors in patternsRuby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second hardest mineral next to diamond . The presence of chromium is what gives a ruby its red color. Trace amounts of iron can also affect the hue, giving some rubies a slightly brownish or purplish tint. Ruby has long been considered one of the most beautiful and valuable gemstones on the planet. At times in ancient history, Ruby was valued more