Cochise College          Photos of Minerals

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                          Roger Weller, geology instructor

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                                  copyright 2010-R.Weller
 

Mineral Information on:
olivenite

Chemical Group:  arsenate

Chemical Formula:   Cu₂AsO₄(OH)

Color:    dark olive green                                Streak:

Hardness:    3            Specific Gravity:  3.9 to 4.4

Fracture:  conchoidal

Cleavage:
 

Luster:   resinous to adamantine

transparent to almost opaque

Crystal Forms: Orthorhombic system, diamond-shaped acicular prisms

Habits: drusy, fiberous, nodulues, crusts

Mineral Associations:

Identifying Characteristics:

Uses:

Occurrences:  Cornwall, England; Tintic, Nevada: Tsumeb, Nambia

Toxicity:      when-swallowed-   don't                         when inhaled- don't

Additional Information: