Vintage Conglomerate Black Tar Oil Macadam Pebbles Stones Rocks Paperweight For Sale

Vintage Conglomerate Black Tar Oil MacadamPebbles Stones Rocks Paperweighta Vintage conglomerate rock paperweight.An estate item whose exact history is unknown,and whose Black material is a mystery to me.As seen and pictured here. I purchased thisseveral years ago as I thought it was cool. Ithas served as a paperweight and conversation piece.
Weighs 7.2 ounces.
Measurements:2 and 1/2\" in width (widest point),4\" in length (longest point),1 and 1/4\" in height.
EXCELLENT VINTAGE CONDITION.Super clean. A couple of stones are apparentlymissing, signified by empty wells (spaces).Please magnify and view all photos.