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.
This Vesuvianite cluster is the bed for a nice sized Calcite crystal. There is some contact damage to the bottoms of the Vesuvianite and there is ...
This is one of the brightest watermelon tourmalines I have. It is really nice to look at and comes with a stand.