Exceptional specimen of opal, fire opal, with an intense orange to reddish color, with brilliance and transparence observed since it is an opal nodule with two light inputs. All light. It is enclosed in a very hard rhyolitic matrix. These are sometimes also called as "jelly opals" due to their unique color and waxy luster. This specimen was acquired by Joan Astor, at the end of the 80s, from the well-known Enric Kucera (Barcelona), a great connoisseur of Mexican mines. A gem.

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