Pyrite 4-5mm Irregular Cube - 15-16 Inch R0187 The inclusions are of manganese

The inclusions are of manganese or iron

smoky quartz

and an Amazonite ring was found among the treasures in King Tutankhamun’s tomb

is an iridescent composite of organic and inorganic material most known for being the coating of pearls

one-of-a-kind beads

Pyrite 4-5mm Irregular Cube - 15-16 Inch R0187 The inclusions are of manganesePyrite, an iron sulfide, is characterized by its metallic luster and brass to yellow hue that have earned it the nickname fools gold. Pyrite is actually lighter in color than gold as well as harder and more brittle. It derives its real name from the Greek pyrites, meaning of fire, as it creates sparks when struck on steel. It is found around the world in many unusual natural formations including globes, cubes, flat radial disks and dodecahedral