Another Variety - Mineral 18
Specimen dimensions: 3¼ x 2½ x 1 inches (88x65x45mm)
Specimen weight: 14⅜ ounces (410 grams)
Collection: Round Rock Campus
For reference: the U.S. penny is ¾ in. [19.05 mm] in diameter.
Specimen dimensions: 3¼ x 2½ x 1 inches (88x65x45mm)
Specimen weight: 14⅜ ounces (410 grams)
Collection: Round Rock Campus
For reference: the U.S. penny is ¾ in. [19.05 mm] in diameter.