NAME ORIGIN: Named for the locality and the prefixes "ferri" and "sodic" as recommended by the amphibole commission. LOCALITY: In the Arroyo de la Yedra, Eastern Pedriza Massif, Sierra de Guadarrama, Central System, Spain.
NAME ORIGIN: Spodumene is from the Greek, spodoumenos, "burnt to ash," alluding to the ashy color of early specimens. Kunzite is named after the American gem expert, G. F. Kunz (1856-1932). Hiddenite is named after the American mineralogist, W. E. Hidden (1853-1918).
Spriggite Pb3[(UO2)6O8(OH)2](H2O)x; x ~ 3 Approved IMA 2003 (Dana # Added)
NAME ORIGIN: Named for Reginald Claude Sprigg (1919-1994), South Australian Geological Survey.
Springcreekite BaV+++3(PO4)2(OH,H2O)6 Approved IMA 1998 (Dana # Added)
NAME ORIGIN: Named after the locality. LOCALITY: The dumps of the Spring Creek copper mine near Wilminton, Southern Flinders Ranges, South Australia.
Spurrite Ca5(SiO4)2(CO3) Valid Species (Pre-IMA) 1908
NAME ORIGIN: Named for Josiah Edward Spurr (1870-1950), American geologist.