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

Bastrop County

Mineral specimens found in Bastrop County, Texas.
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  • Gypsum, var. Selenite , Bastrop County, Texas

    Gypsum, var. Selenite , Bastrop County, Texas

    Gypsum, variety Selenite with "fishtail" habit Locality: Along Pin Oak Creek, Bastrop County, Texas Chemical Formula: CaSO4 * H2O Crystal System: Monoclinic Specimen size: 4.125 in x 2.25 in .75 in Specimen weight: 23 grams Shared by the Middleton Collection (AGMS).

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