MTB48CD5: Aggregate of thick Aragonite crystals with well defined faces and edges completely covered by small, very lustrous Calcite crystals. The entire set has been deposited on a matrix formed by Sulphur crystals.
A classic of Italian mineralogy.
Cozzo Disi Mine, Casteltermini, Agrigento (Girgenti) Province, Sicily  Italy

Specimen size: 11.8 × 7.6 × 5.9 cm = 4.65” × 2.99” × 2.32”

Main crystal size: 2.5 × 2.3 cm = 0.98” × 0.91”