.My tumbler is used for tumble polishing such materials as small nodules and beach collected jaspers and agates.

This is a vibrating lap used for grinding flat surfaces to get them ready for final polishing.
This is a hard wool 10 inch hand polishing lap used with tin oxide powder to get a final shine on flat lapped stones.
My 10 inch diamond trim and slabbing saw.
This is the machine I built to finally shape and polish my spheres.
My 24 inch diamond saw with variable speed electric drive.
The sphere preformer jig is in the saw vice.