Capillitite  - verro-zinciferous variety of Rhodochrosite.
 
 
From: Capillitas, Andalgalá, Catamarca, Argentina.
 
 
Polished and tumbled sample of Capillitite with bands of different brownish tones, measuring 3.2 x 2.0 x 1.3 cm and weighing 18 grams.