Solid silver – Batopilas, Chihuahua, Mexico
 Dendritically crystallized native silver on a calcite matrix. The fine silver crystals sometimes exhibit an intensely pronounced tarnish color. Bartopilas is known for its foliated silver crystals, a true classic of outstanding quality.
 Highly aesthetic and richly decorated collection from Mexico
 Since 2003, no significant finds of collector specimens have been made.