Green, purple, white and clear crystal. This specimen is considered a piece of realia, associated with Archival Collection #117, 'Study of Water Fluoridation and Dental Health'.;This mineral specimen is useful in association with the archival collection which documents the Grand Rapids study to add fluoride to the drkinging water supply for the purpose of dental health.;This specimen was acquired by the National Insitute of Dental and Craniofacial Research, for use in the exhibition, 'The Fluoride Story'.;The documents and artifacts in this collection were amassed by the National Institute of Dental and Craniofacial Research for the exhibition 'The Fluoride Story'.
2.5" h 4.5" w 1.5" d
Current Location Status:
Gift Of National Institutes Of Health National Institute Of Dental And Craniofacial Research