Iridescent Goethite from Spain TF2999 byssolite The bottom is self-healed and

The bottom is self-healed and the sides have great striations and etching typical of quartz from this area

Natural Mintabie Opal on Sandstone

Pyrite is enjoyed by many because of its lustrous gold sheen

5" Lemurian

Iridescent Goethite from Spain TF2999 byssolite The bottom is self-healed andIridescent Goethite from Spain Approx. Dimensions: 2x3. 25x1. 75 inches Approx. Weight: 242 grams Locality: Filon Sur Mine, Tharsis, Huelva, Spain This specimen is glued to the acrylic base. Weight shown includes the base, but the dimensions are of the actual specimen not including the base. Iridescent goethite specimens from the Filn Sur Mine (Filn Sur open pit, Tharsis Mines, Alosno, Huelva, Andalusia, Spain) are striking collectors minerals