Ferrohornblende photo

Specimen data (EDS data)

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Ferrohornblende photo gallery.

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FERROHORNBLENDE Ca2[Fe2+4(Al,Fe3+)](Si7Al)O22(OH)2
Locality:   Wheeler Mtn., Winchester, NH
Specimen Size:   Black Ferrohornblende blades to 6 mm with Epidote
Environment:    Contact metamorphic zone
Field collected:   Tom Mortimer