| From grunge collected from a mangrove beach on the Jupiter Sound 
			(Indian River) shore of Coral Cove Park (just S of Blowing Rock 
			Preserve) by Rick Edwards in April and July, 2021 and later culled 
			by him and H. G. Lee (1.20 mm). SEM performed by H. G. Lee in 
			collaboration with Dr. Ann Heatherington, Dept. of Geological 
			Sciences, University of Florida, Gainesville, FL. |