Rocks through a lens

All of the following images are taken using Samsung Galaxy S III camera with 8.0 MP resolution. The rocks have a dominant mineral(s); indicated in caption. Some additional images may be found here.

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Actinolite
Actinolite
Actinolite Greenschist
Actinolite Greenschist
Actinolite Greenschist
Actinolite Greenschist
amphibole
Amphibole
Transitional Amphibolite-Granulite
Transitional Amphibolite-Granulite
Biotite and K-Feldspar
Biotite and K-Feldspar
Epidote
Epidote
Epidote
Epidote
Epidote
Epidote
Epidote
Epidote
Epidote
Epidote
Garnet and Quartz
Garnet and Quartz
Glaucophane
Glaucophane
Glaucophane
Glaucophane
Hornblende
Hornblende
Hornblende
Hornblende
Hornfels
Hornfels
K-Feldspar
K-Feldspar
K-Feldspar
K-Feldspar
Halite and  Sylvite
Halite and Sylvite
Olivine Phenocrysts
Olivine Phenocrysts
Serpentine
Serpentine