Ruby 3mm Round Faceted A Grade - 15-16 Inch 48HR-07262022 It was popular with the

It was popular with the Greeks and Romans

and has been discovered with artifacts from cultures of the Neolithic Period

Sizes of rough cut specimens will vary in size

control and orderliness

Iolite most commonly occurs in shades of blue-gray

Ruby 3mm Round Faceted A Grade - 15-16 Inch 48HR-07262022 It was popular with theRuby 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