Hematite Pyrite Plated 2x4mm Corner Cut Nugget - 15-16 Inch Rhyolite The shell is known for

The shell is known for its distinct knobs on the ridges

or man-made) have variations in colors and patterns

in striking patterns

Montana Moss Agate is an unusual Moss Agate in that it exhibits some banding

Hematite Pyrite Plated 2x4mm Corner Cut Nugget - 15-16 Inch Rhyolite The shell is known forHematite 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.