Ruby 2x3mm Faceted Rondelle A Grade - 15-16 Inch Germany a 19th-century German professor of

a 19th-century German professor of chemistry and mineralogy

This macrocrystalline Quartz stone has chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

with bands of white Onyx running through it

white or brown

famed mineralogist and jeweler George Frederick Kunz

Ruby 2x3mm Faceted Rondelle A Grade - 15-16 Inch Germany a 19th-century German professor ofRuby 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