Hematite White Silver Plated 2mm Cut Cube 15-16 Inch Chalcedony (Marbled) This variety of opal is

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

all to knowing eye

Opals are hydrated amorphous forms of silica

Crazy Lace Agate is often dyed to produce colors that do not naturally occur in the stone

It has been greatly sought after throughout history and was at times valued as highly as Diamond

Hematite White Silver Plated 2mm Cut Cube 15-16 Inch Chalcedony (Marbled) 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.