Ruby 4mm Faceted Round - 15-16 Inch 68206 Terahertz is a spectacular man

Terahertz is a spectacular man made ore

often with a golden or brown matrix

Green Grass Jasper is an opaque blue-green to yellow-green with black inclusions forming marbled patterns in the stone

The crystal naturally forms with 18 facets

Ruby 4mm Faceted Round - 15-16 Inch 68206 Terahertz is a spectacular manRuby 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