Charcas, Mun. de Charcas, San Luis Potosi, Mexico
A cute combination specimen of amethyst and calcite has formed over tiny prismatic danburite crystals (which are mostly on the reverse.) Danburite can be also be seen in between the top calcite and quartz crystals. The calcite is colorless and lustrous which contrasts the lilac colored amethyst.
3.50 x 2.50 x 1.00 cm