Natural Red Ruby 3-4mm Faceted Rondelle - 15-16 Inch 60-120mm improving concentration

improving concentration

often used as a talisman by kings

Jade has been used for tens of thousands of years

These form as a criss cross banding called lamellae

Natural Red Ruby 3-4mm Faceted Rondelle - 15-16 Inch 60-120mm improving concentrationRuby 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