Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2006-R.Weller
 

Mineral Information on:
apatite

Chemical Group:    phosphate

Chemical Formula:    ranges between 
(CaF)Ca4(PO4)3 and (CaCl)Ca4(PO4)3


Color:   sea green, bluish green, yellow, gray, red, flesh-red, brown,
     dark blue                                                                 

Luster:  vitreous to sub-resinous        Fluorescence:  some varieties are fluorescent

Transparency:  transparent to opaque         Streak: white
 

Hardness:   5             Specific Gravity:  3.17 to 3.23        Fracture:  conchoidal and uneven
 

Crystal Forms and Habits:  Hexagonal system

Mineral Associations:

Identifying Characteristics:  Easily confused with many other minerals.

Uses:  Used as a fertilizer
    If very transparent, , purple, yellow, and bluish-green varieties are gemstones.

USA occurrences: 
Maine
     Mount Apatite, Poland Township, Androscoggin County
     Berry quarry, Poland Township, Androscoggin County
     Rubellite mine, Hebron Township, Oxford County
     Harvard quarry, Greenwood Township, Oxford County
     Thomas quarry, Phippsburg Township, Sagadahoc County
     Davis mine, West Bath Township, Sagadahoc County
     Tiger Bill mine, Greenwood Township,
     Bennett quarry, North Buckfield Village, Oxford County
New Hampshire
     G.E. Smith Mica Mine, Chandler's Mills, Sullivan County
     Charles Davis mine and Palermo Quarry, North Grofton, Grafton County
     Conway Township, Carroll County
New York
Connecticut
     Strickland quarry, Portland, Middlesex County
Massachusetts
     Pelham, Hampshire County

WORLD-WIDE occurrences:
Mexico 
     Cerro de Mercado, Durango
Russia
Australia
Germany
     Ehrenfriedersdorf and Waldstein

Toxicity:      when-swallowed- low          when inhaled- moderate

Additional Information:  Teeth and bones are made of the mineral apatite.