OPAL Raw Crystal - AAA Polished Window - Raw Opal Crystal, October Birthstone, Welo Opal, 50574 individual Approximate Weight: 1110 grams

Approximate Weight: 1110 grams

5 cm long by 2 - 2

Weight: 502 grams

Approximate Weight: 90

Extra Large:  145 - 240 grams

OPAL Raw Crystal - AAA Polished Window - Raw Opal Crystal, October Birthstone, Welo Opal, 50574 individual Approximate Weight: 1110 gramsThe window is polished, and the rest is raw. This listing is for AAA premium grade opal that is specifically selected for cutting lapidary purposes. Each piece is hand sorted to ensure that it has top grade fire, 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: 12. 9 grams