Ruby Banded 3mm Round - 15-16 Inch R1734 black and red

black and red

Sometimes called the "Black Prince's Ruby" for its role in the English crown

orange and yellow colors in which it occurs

It can be easily confused with other minerals due to its variety of colors and formations

Ruby Banded 3mm Round - 15-16 Inch R1734 black and redRuby 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