Periclase
Source:
Ward's Natural Science
Dimensions:1.3cm x 1.2cm x 0.7cm, 1.1cm x 0.9cm x 0.9cm, 1.1cm x 0.9cm x 0.8cm, 0.8cm x 0.8cm x 0.5cm, 0.9cm x 0.8cm x 0.4cm
Object number: 2020.6.668
DescriptionFive samples in plastic box, label states "Ward's Natural Science Establishment, Inc., Rochester N.Y."