Mineral: Opal-AN (variety hyalite) with Fluorapatite (variety staffelite)
Locality: Valeč, Doupov, Karlovy Vary Region, Bohemia, Czech Republic
Dimensions: 75 x 48 x 55 mm
Description: Opal-AN variety Hyalite with Staffelite (=carbonate-rich Fluorapatite).
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