Ruby 10-15x16-23mm Dyed Irregular Nugget Beads - 7-8 Inch #1210 it remains a highly prized

it remains a highly prized material in fine jewelry

according to the Mohs hardness scale

It's also porous so it absorbs stains

It is composed of silicon dioxide

Ruby 10-15x16-23mm Dyed Irregular Nugget Beads - 7-8 Inch #1210 it remains a highly prizedRuby 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