Hematite Antique Silver Plated 4mm Faceted Rondelle - 15-16 Inch 6mm Pink Purple Aventurine is a form of

Aventurine is a form of quartz

Mexican Black and Red Zebra Jasper has banded and marbled patterns of translucent to opaque milky white

in 315 BCE

Gamma ray irradiation

These inclusions are chromite

Hematite Antique Silver Plated 4mm Faceted Rondelle - 15-16 Inch 6mm Pink Purple Aventurine is a form ofHematite 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.