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Montroydite: HgO
Comments: Red to orange radial and crystalline montroydite aggregates on black calcite. Location: Terlingua, Brewster County, Texas, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Montroydite: HgO Pinchite: Hg++5O4Cl2
Comments: Minute lustrous black pinchite crystals on white montroydite. Location: Terlingua, Brewster County, Texas, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species