Hematite 4mm Faceted Rondelle - 15-16 Inch birthstone_emerald The yellowish colors of heliodor

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

” Tourmaline is unusual in that it is both pyroelectric and piezoelectric

This variety of Amazonite is actually a combination of Amazonite

pink and pale lilac

Hematite 4mm Faceted Rondelle - 15-16 Inch birthstone_emerald The yellowish colors of heliodorHematite 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.