Ruby (Natural) 2-6mm Graduated Faceted Rondelle - 15-16 Inch focal These rocks are extremely common

These rocks are extremely common and make up a significant portion of Earth's crust

The most precious Fire Opal has flashes of iridescence and is known as Precious Fire Opal or “Firmament Stone

Most hemimorphite is found in the rocks above and surrounding zinc deposits

A cryptocrystalline Chalcedony

Ruby (Natural) 2-6mm Graduated Faceted Rondelle - 15-16 Inch focal These rocks are extremely commonRuby 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