Hematite Antique Silver Plated 4mm Round - 15-16 Inch Stone Type_YooperLIKE These form as a criss

These form as a criss cross banding called lamellae

and integrity

It's a prized gem

unique iridescent patinas (caused by centuries of burial)

The different colored zones in the stone result from different oxidation states of iron

Hematite Antique Silver Plated 4mm Round - 15-16 Inch Stone Type_YooperLIKE These form as a crissHematite 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.