Image Missing: Hearst Museum object titled Balance weights, accession number 9-2269, described as Balance weights, stone (aventurine glass or goldstone, man-made). A) 14.34 x 10.36 x 3.21 mm. Weight 0.8582 grams. B) 13.94 x 10.65 x 2.65 mm. Weight 0.7226 grams. C) 12.54 x 10.15 x 2.38 mm. Weight 0.5423 grams.