Fluorophlogopite, synthetic (silicate group)
Dimensions:1.8 cm x 1.2 cm x 1.2 cm, up to 1.1 cm
Object number: 2020.6.431
DescriptionOne large and many smaller samples in plastic box, synthesized at Bureau of Mines, Norris, TN
Reference: McCauley, Newnham and Gibbs, 1973, American Mineralogist 58, p. 249-254.