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Specularite from selected localities.

USA
 
  • Arizona
    • Santa Cruz Co.
      • Patagonia Mts
        • Patagonia Mining District
          • Washington Camp-Duquesne Mining District
            • Line property
Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 40; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 347-348.
            • Nash Mines group (Duquesne-Washington group)
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 334.
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 344.
 
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