Cochise College          Photos of Minerals

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                          Roger Weller, geology instructor

                          [email protected]
                                  copyright 2010-R.Weller

 

Mineral Information on:
romanechite

Chemical Group:   silicate-zeolite

Chemical Formula:   KCaAl₃Si₅O₁₆.H₂O

Color:        white, reddish white, light yellow, pink              

Streak:   white

Hardness:  4.5               Specific Gravity:     2.2         
 

transparent to opaque   

Luster:  vitreous
 

Fracture:  uneven

Cleavage:

Crystal Forms:  Monoclinic system, pseudo tetragonal crystals

Habits: complex cruciform twin crystals

Mineral Associations:

Identifying Characteristics:

Uses:

Occurrences: 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information:  crystals smaller and clearer than harmotone