Montroydite (on calcite) - Terlingua, USA - 5.76 x 4.65 x 2.72 cm

Mineral: Montroydite (on calcite)
Locality: Terlingua, Terlingua District, Brewster County, Texas, USA
Dimensions: 5.76 x 4.65 x 2.72 cm

Description: That is a large aggregate for the species.Source: mineralman.com