Black Smoked Welo Opal Cabochon DX2984 sulfur gem-quality sulfur crystal specimens from

gem-quality sulfur crystal specimens from the famed El Desierto Mine in Potosí

This is a large and pristine gwindel coated in clinochlore from the famed classic locality

This specimen from Galileia has a very interesting structure

Brazil and has 36 years of experience cutting and faceting gemstones

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Black Smoked Welo Opal Cabochon DX2984 sulfur gem-quality sulfur crystal specimens fromSmoked Welo Opal Cabochon Approx. Dimensions: 17 x 11 x 7. 5 mm Approx. Weight: 6. 4 ct (1. 28 grams) Smoked opals have had their naturally white color blackened by treating with smoke. The smoke infiltrates the pores of the opal and darkens the body's color, creating a stark contrast for the beautiful play of colors that Welo opals are known for. This piece will include a membrane box, as shown in the photos. Welo Opal, also known as Ethiopian Opal,