UT Permanent Collection - murphotos

Balmorhea Blue Agate, Reeves County, Texas.

Agate (variety Balmorhea Blue, polished)
Locality: Reeves County
Chemical Formula: SiO2 (Chalcedony, cryptocrystalline form of Silica or Quartz)
Specimen size: 11.5 cm x 9.0 cm x 3.0 cm
Specimen weight: 444 grams.
Specimen ID #: M-135 (#759).
From the McIver Agate Collection (Jackson School of Geosciences).

Balmorhea20151023444 gramsBalmorhea Blue AgateJackson School CollectionMcIver CollectionReeves CountyUniversity of Texas at Austin11.5x9x3cmAgateMineralsTexasspecimensSpecimen ID 759Specimen ID M135Dr. Mark Helper