TT13AK0: With a different presentation than other more common Mexican Mimetites, here it forms spheroidal aggregates on a Goethite matrix of crystals with a very sharp pyramidal habit, with good terminations, very bright and with a very intense yellow-orange color.
The piece comes from the collection of José Luis Vallecillo, from Madrid.
Potosí Mine, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua  Mexico

Specimen size: 3.9 × 2.9 × 2.3 cm = 1.54” × 1.14” × 0.91”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”