OPAL Raw Crystal - AAA Polished Window - Raw Opal Crystal, October Birthstone, Welo Opal, 44624 individual It has actinolite

It has actinolite

Large: 4 - 4

Small:  30 - 49 grams

These are not cabochons

fossilized tree resin produced by extinct coniferous trees from the Tertiary period

OPAL Raw Crystal - AAA Polished Window - Raw Opal Crystal, October Birthstone, Welo Opal, 44624 individual It has actinoliteThe window is polished, and the rest is raw. This listing is for AAA grade premium raw opal in large size. They are not suitable for cutting, but very attractive to use in jewelry fabrication or to appreciate as a specimen. This is our lowest priced individually photographed variety of opal. What you see is what you get. Approximate Weight: 8. 3 grams Location: Ethiopia This item is one of a kind and you will receive the EXACT piece(s) pictured. Macro