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Rock-Rascal 6 inch trim saw, made in Orange, California

How lapidary work is done, step by step

How a rough stone becomes a polished cabochon, step by step: slab, mark, trim, shape, smooth and polish, with the grits and tools for each. Plus tumbling and flat lapping.

How lapidary work is done, step by step

How a rough stone becomes a polished cabochon, step by step: slab, mark, trim, shape, smooth and polish, with the grits and tools for each. Plus tumbling and flat lapping.

Gy-Roc vibratory tumbler, made in Orange, California

What is lapidary

Lapidary is the work of cutting, shaping and polishing stone. The main branches, what each one makes, and the saws, wheels, laps and grits each one runs on.

What is lapidary

Lapidary is the work of cutting, shaping and polishing stone. The main branches, what each one makes, and the saws, wheels, laps and grits each one runs on.

New SuperNova soft diamond wheel

Breaking in a new soft wheel

New soft diamond wheels need breaking in to remove excess resin. How to do it, how long it takes, and why a new wheel can seem slow until you do.

Breaking in a new soft wheel

New soft diamond wheels need breaking in to remove excess resin. How to do it, how long it takes, and why a new wheel can seem slow until you do.

Diamond saw blades

Choosing a saw blade by material and thickness

How to pick a diamond saw blade: notched rim, sintered or plated, thin kerf or heavy, trim saw or slab saw, and the hole size that fits your arbor.

Choosing a saw blade by material and thickness

How to pick a diamond saw blade: notched rim, sintered or plated, thin kerf or heavy, trim saw or slab saw, and the hole size that fits your arbor.

Soft resin bond diamond wheel

Diamond grit sizes, what 60 through 200,000 eac...

What diamond grit numbers mean for cabbing and polishing: which grits shape, smooth and polish, where the oxides fit, and which products come in each grit.

Diamond grit sizes, what 60 through 200,000 eac...

What diamond grit numbers mean for cabbing and polishing: which grits shape, smooth and polish, where the oxides fit, and which products come in each grit.

Nickel bond hard diamond wheel

Resin, sintered, nickel bond and plated: which ...

How resin, sintered, nickel bond and plated diamond tools hold their diamond, what each is for, which can be resurfaced, and which of our products use each.

Resin, sintered, nickel bond and plated: which ...

How resin, sintered, nickel bond and plated diamond tools hold their diamond, what each is for, which can be resurfaced, and which of our products use each.