Petrified Wood Slabs Page 1 Petrified wood is agatized replacement of fossil wood. It cuts and polishes like agate. So, it takes a fine polish with cerium or tin oxide, but will also polish well with diamond.
Two slab parcel measures approximately 1 at 7/32" thick and 1 at 1/4" thick.
Ruler is in inches.
Measures approximately 7/32" thick.
Measures approximately 1/4 to 5/16" thick.