OPAL Raw Crystal - 4A+, Cutting Grade - Raw Opal Crystal, October Birthstone, Welo Opal, 50720 colombianite These are a step above

These are a step above AAAA mainly because of size

Extra Large: 52 - 64 mm

8 inches wide

and blue Lapis Lazuli

Approximate Weight: 92

OPAL Raw Crystal - 4A+, Cutting Grade - Raw Opal Crystal, October Birthstone, Welo Opal, 50720 colombianite These are a step aboveThis listing is for AAAA premium grade opal that is specifically selected for cutting lapidary purposes. Each piece is hand sorted to ensure that it has top grade fire, and is 3 dimensional so that cabochons or faceted stones can be cut out of them. What you see is what you get. These will often have patterns like honeycomb, pinfire, stripes, and other attractive color zoning features. Weight: 6 grams Location: Ethiopia This item is one of a kind and