Ruby 2x3mm Faceted Rondelle A Grade - 15-16 Inch Drops including browns

including browns

silicon dioxide

It occurs in bright turquoise blues and darker blues as well as rust reds

green and brown to the more rare violet and pink

Iron gives them blue

Ruby 2x3mm Faceted Rondelle A Grade - 15-16 Inch Drops including brownsRuby 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