A crystal or crystalline solid is a solid material whose constituents, such as atoms, molecules or ions, are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations.
Location: Thomas Range, Juab Co., Utah
Location: San Luis Potosi, Mexico
Location: Zinc Corp of America W. Pierrpont mine, W. Pierrpont, St. Lawrence Co., New York
This is a thumbnail specimen that is extremely nice. The Azurite blades are all terminated and excellent luster. The longest is about 2 cm.
This is a thumbnail specimen that is extremely nice. The Spessartine is all terminated and good luster. Nice terminations all around with only a ...
This is a thumbnail specimen that is extremely nice. The Spessartine is all terminated near perfect dodecahedron and good luster.