Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          [email protected]
                                  copyright 2010-R.Weller

Mineral Information on:
mineral

Chemical Group:  arsenate

Chemical Formula:      Zn₂(AsO₄)(OH)^.(H₂O)

Color:   bright yellow, waxy-yellow, colorless                                                                      

Hardness:  4.5 to 5                Specific Gravity:   3.98 to 4.01             

Cleavage:  imperfect

Luster:  vitreous
 

Tenacity:  brittle

Crystal Forms:  Monoclinic System; prismatic crystals,
                               sheathlike aggregates

Mineral Associations:

Identifying Characteristics:

Uses:

Occurrences: 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: