Ruby (Heated) 4mm Faceted Round - 15-16 Inch #REF! These charms measure approximately 9mm

These charms measure approximately 9mm long including the loop

with a chemical composition of sodium aluminum oxide

*These beads are "diamond cut"

Red Brecciated Jasper is typically found in deep red

Common Opal is generally opaque

Ruby (Heated) 4mm Faceted Round - 15-16 Inch #REF! These charms measure approximately 9mmRuby 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