Opal
2234 Faujasite, Opal, Limberg Quarries, Sasbach am Kaiserstuhl, Emmendingen, Freiburg Region, Baden-Württemberg, Germany
Octahedral crystals of faujasite with opal spheres and coating. Exact species of faujasite not known. Ca, Mg and Na recorded (the latter two being Type Locality species). Width of view 5mm. Stack of 51 images....
7362 JL3815 Opal, Siderite, Manyana Beach, Bendalong, St Vincent Co., New South Wales
Acquired by Joan Lamond in 2002 from Ann and Noel Kennon.
5666 Opal, Lightning Ridge, Finch Co., New South Wales
Predominantly blue and green thin opal seams.
5562 Opal, Girard, Girard District, Burke Co., Georgia, USA
Hyalite opal, Jim Daly, Sauktown Sales, Indiana
8069 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria
Hyalite? Sulphates? ex Bernie and Margaret Day Collection
8068 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria
Hyalite? Sulphates? ex Bernie and Margaret Day Collection
4165 Opal, Calcite, Kara Mine, Hampshire, Tasmania
Single terminated black crystal.
5553 Topaz, Opal, Conca Cannas quarry, Masullas, Sardinia, Italy
Prismatic and acicular topaz crystals, with opal coating tridymite, and also capping one of the topaz crystals, from the Conca Cannas quarry, Masullas, Mt. Arci, Oristano Province, Sardinia, Italy.