Petoskey Stone Cabochons with Drilled Hole

Petoskey Stone from Michigan handcrafted into a cabochon with a 1.5mm drilled hole.  

Stone measurements are approximately:

A:  21.66 x 34.63 x 7.6mm

B:  17.23 x 27.96 x 5.59mm

C:  17.50 x 31.58 x 5.02mm

D:  16.24 x 32.24 x 6.14mm

E:  14.86 x 33.33 x 6.45mm

F:  15.73 x 35.37 x 5.44mm