Hematite Antique Silver Plated 2x6mm Hexagon - 15-16 Inch Stone Type_Tiger Eye In addition to its value

In addition to its value as a gemstone

Agate is one of many varieties of banded Chalcedony

a hydrous copper silicate

Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise

Blue Apatite ranges in color from light teal-blue to bright blue to dark blue-green

Hematite Antique Silver Plated 2x6mm Hexagon - 15-16 Inch Stone Type_Tiger Eye In addition to its valueHematite 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.