Kaolin Clay, Edwards County, Texas
Kaolin Clay (dried) Location: From the Frio Kaolin Mining Company (probably in Del Rio Formation) County: Edwards County Chemical Formula: Al2Si2O5OH4 Crystal System: Triclinic Specimen Size: 3 x 5 x 3 inches Specimen Weight: 419 grams In the Jackson School Collection at the University of Texas at Austin Collection Reference: TMM 2571