Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                                  copyright 2006-R.Weller

Mineral Information on:

Chemical Group:  sulfate

Chemical Formula: 

Color:  colorless to white, gray, yellow, green                Streak:  white


Hardness:  3      Specific Gravity:  6.2 to 6.4             Fracture:  conchoidal

Luster:  adamantine        Tenacity:  brittle

Crystal Forms:  Orthorhombic system
      commonly, massive, granular, compact, nodular
      Anglesite often forms banded layers surrounding a piece of galena.

Mineral Associations:  cerussite, galena, gypsum, silver halides

Identifying Characteristics:  adamantine luster and density

Uses:  lead ore

Occurrences:  secondary mineral in oxidized zone that contains lead

Toxicity:      when-swallowed- very high          when inhaled-very high

Additional Information: