Polished native copper | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_75e956d673b345aea2c237b308271e9a~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Size: 11 x 7.5cm (110gr) Loc: Arizona Polished calcite veined with native copper. Part of the calcite is naturally tinted by copper oxides Dimensions without the acrylic base, which is supplied with the mineralogical specimen. The sample is not glued to its base (flexible mastic).