Hematite White Silver Plated 4mm Round 15-16 Inch China This variety of opal is

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns

tourmaline and other minerals

near the Kennedy Ranges of Australia

creating iridescent flashes of blue

rendering its black especially deep and mysterious

Hematite White Silver Plated 4mm Round 15-16 Inch China This variety of opal isHematite 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 gray or silver 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.