Agate Original 1970s Vintage Belt Buckles for sale | eBay。A vintage women\'s agate slab crystal stone belt buckle featuring a large natural agate slab center stone in light gold-tone setting. The agate stone is in really good shape, and you can see many of the live crystals naturally visible within the slab. Some patina visible on the buckle (see photos). A true natural stone statement piece. Great for cowgirl, country, boho, Western, Southwestern, gemstone jewelry, and natural stone collectors. The unique organic shape and crystal sparkle of the agate makes this a one-of-a-kind statement buckle. Fits standard 1.5 inch belt strap with classic back hardware.