1. Minerals of Texas
  2. Minerals Listed by Texas County

Blanco County

Mineral specimens found in Blanco County, Texas.
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  • Limonite (Iron Oxide), Blanco County, Texas

    Limonite (Iron Oxide), Blanco County, Texas

    Limonite is an iron ore consisting of a mixture of hydrated iron (III) oxide-hydroxides in varying composition Location: specific unknown, but a couple of hydrated iron ore samples are listed in Bulletin 1814 of the Univ. TX, page 103 with locations "McMillan's Diggings near Westbrook", and "Iron Rock Creek" County: Blanco County, Texas Chemical Formula: generic formula -generally listed as FeO(OH) x nH2O Specimen size: 3 x 2.75 x 3 inches Specimen weight: 440 grams Collection Reference: TMM2068 In the Jackson School of Geosciences Collection at the University of Texas at Austin.

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