These are medium sized, high grade Mangano Calcite Tumbled Stones.
These Tumbles are priced per single stone.
The average size & weight of these stones are:
25mm x 15mm x 15mm. 15g
Manganoan calcite or Mangano calcite is a variety of calcite rich in manganese, which gives the mineral a pink color. It was first reported from the BanskÃ¡ Å tiavnica Mining District, Slovak Republic, but has also been found in locations widely distributed around the world, notably at Naica, Chihuahua, Mexico, in the Cave of Swords and Bulgaria.