Ruby 3mm Round AA Grade - 15-16 Inch Trolleite It also serves as the

It also serves as the Mohs hardness scale index mineral for a hardness of 8

a carbonate of chromium and magnesium

especially in Asian cultures

Impression Jasper naturally occurs in colors of tan

A relatively rare silicate mineral found in igneous and metamorphic rocks around the world

Ruby 3mm Round AA Grade - 15-16 Inch Trolleite It also serves as 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