TB98AJ0: Smithsonite replacing an aggregate of scalenohedral Calcite crystals that show successive replacement shells with phantom growths, indicating that the Calcite was partially replaced, some was dissolved, and the external shell was completely substituted by greenish-yellow Smithsonite. We will send a copy of the analysis to the buyer.
This sample has been referenced and figured in the book "Minéraux - Le Guide des Passionnés" (page 248)
San Antonio Mine (San Antonio el Grande Mine), level 8, East Camp, Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua  Mexico (04/2013)

Specimen size: 7.3 × 4.1 × 5.9 cm = 2.87” × 1.61” × 2.32”

Main crystal size: 3.4 × 1.5 cm = 1.34” × 0.59”