Labradorite 7x10mm Faceted Tube A Grade - 15-16 Inch New Burma Jade orange and rust are due

orange and rust are due to traces of hematite within the stone

It's also known as Angelita and Angelite Quartz

but takes a trained eye and a microscope to discern the difference between this material and the Jade it is named after

Peridot is one of few stones that occurs naturally in only one color

Labradorite 7x10mm Faceted Tube A Grade - 15-16 Inch New Burma Jade orange and rust are dueLabradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This effect is known as labradorescence, taking its name from the stone. Labradorite is usually gray to green, dark gray, light gray or black. It was discovered in Labrador, Canada in 1770 and named for the area, though it is referenced as a highly revered stone in much older Inuit tribal legends.