Ruby (Sri Lanka) 3mm Faceted Round AA Grade - 15-16 Inch Black Gold also known as Nacre

also known as Nacre

but a combination of minerals

Treated quartz that results in a unique blue color

and resource deposits

Ruby (Sri Lanka) 3mm Faceted Round AA Grade - 15-16 Inch Black Gold also known as NacreRuby 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