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: 23 cm x 15.25 cm x 15 cm
Specimen weight: 906 grams.
Specimen ID #: M-13 (#872).
From the McIver Agate Collection (Jackson School of Geosciences).

Balmorhea20151023906 gramsBalmorhea Blue AgateJackson School CollectionMcIver CollectionReeves CountyUniversity of Texas at Austin23x15.25x15cmAgateMineralsTexasspecimensDr. Mark HelperSpecimen ID M13Specimen ID 872