FIG. 1 is a top, front, and right side perspective view of a pear stone;
FIG. 2 is a bottom, rear, and left side perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof, the left side view being a mirror image thereof;
FIG. 6 is a front side view thereof; and
FIG. 7 is a rear side view thereof.
FIG. 8 is a top, front, and right side perspective view of an alternative embodiment of a pear stone;
FIG. 9 is a bottom, rear, and left side perspective view thereof;
FIG. 10 is a top view thereof;
FIG. 11 is a bottom view thereof;
FIG. 12 is a right side view thereof, the left side view being a mirror image thereof;
FIG. 13 is a front side view thereof; and,
FIG. 14 is a rear side view thereof.
The broken lines in FIGS. 1, 2, 4, 5, 6, 7, 8, 9, 11, 12, 13, and 14 depict portions of the pear stone that form no part of the claimed design.