Limonite, Henderson County, Texas
Limonite is an iron ore consisting of a mixture of hydrated iron (III) oxide-hydroxides in varying composition Location: specific unknown, County: Henderson County, Texas Chemical Formula: generic formula -generally listed as FeO(OH) x nH2O Specimen size: 4.5 x 4 x 4.5 inches Specimen weight: 1.26 kilograms Collection Reference: TMM2092 Limonite specimens from the following locations were noted in Henderson County - Gannett Survey. Caldwell Survey. Battle Creek. Two miles west of Fincastle. Brownsboro. Pilot Hill. Samples from the first 3 locations were identified as in the University of Texas collection - in 1902). (reference: "The Minerals and Mineral Localities of Texas, by Frederic W. Simonds, PhD, Univ. of Texas Bulletin No. 5, December 1902).