: Moneto Island, near Puerto Rico, Caribbean, one of the two islands where it was initially found. [Locality sometimes given as Moneta Island.]This page provides mineralogical data about Monetite.Classification of MonetiteIMA status:Valid - first described prior to 1959 (pre-IMA) - GrandfatheredStrunz 8th ed.:7/A.12-10Nickel-Strunz 10th (pending) ed.:8.AD.108 : PHOSPHATES, ARSENATES, VANADATESA