Properties                     

C.  spinosa

 C. ovata

Mass (g)
Length (mm)
Width (mm)
Thickness (mm)
Geometric mean diameter (mm)
Sphericity

0.01±0.00
3.76±0.02
3.04±0.02
2.19±0.01
2.92±0.01
0.78±0.00

0.01±0.00
3.68±0.02
2.98±0.023
2.16±0.02
2.87±0.02
0.78±0.00