Pegmatite Photos                 
Cochise College
Photos of Rocks
Igneous Rocks
Virtual Geology Museum
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Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu

Pegmatite 
last edited:  8/3/12    number of photos:  30                                                       
Pegmatite is an extremely coarse-grained plutonic
igneous rock.  Crystals are larger than one half inch. 
Some of the largest crystal ever found were in pegmatites. 
Many pegmatites have mineral compositions similar to granite.

photos
pegmatite:   1  2  3  4  5  6  7  8  9
pegmatite from Santa Catalina Mountains:  1  2  3  4  5  6  7
pegmatite with beryl crystals:  1
pegmatite from Brazil:  1  2  3  4
pegmatite from Pala, California:  1  2  3  4  5
pegmatite with biotite mica:  1   2
pegmatite, polished:  1  2

Photos are copyright free for non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.