Hematite 4mm Faceted Round - 15-16 Inch Shape_Rectangle Tube Ruby is a precious gemstone

Ruby is a precious gemstone known for its deep red color

Opalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples

these faceted rondelles can flash shades of green

It forms when Quartz and Feldspar crystallize in radial aggregates within other silica-rich stones

Hematite 4mm Faceted Round - 15-16 Inch Shape_Rectangle Tube Ruby is a precious gemstoneHematite is an iron oxide and one of the few gemstones with a metallic luster. When tumbled it can have the look of polished steel. Hematite is black to steel to gray or silver to gray, as well as brown to reddish brown or red in color. Its name is derived from the Greek word for blood, haima, owing to its red appearance when sliced thinly or powdered.