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Canon EOS 5D
EGM.13543
Tourmaline and Albite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.13967
Lepidolite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.13974
Lepidolite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.14102
Fluorite and Barite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.15598
Rhodonite with Gahnite and G …
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.16942
Picropharmacolite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.16942
Picropharmacolite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.16995
Sillimanite
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.4655
Rhodochrosite with Quartz an …
[Phil McCollum, Clayton Powe
Canon EOS 5D
EGM.9146
Beryl on Rose Quartz
[Phil McCollum, Clayton Powe
4X5 color transparency scann …
CMH1.1
Rhodochrosite
[Richard M. Wicker, Clayton
4X5 color transparency scann …
CMH1.1_detail
Rhodochrosite
[Richard M. Wicker, Clayton
Nikon D300
Iron Oxide Concretion
[Richard M. Wicker, Clayton
IV.EGR.60R.D
Nikon D300
Volcanic Bomb
[Richard M. Wicker, Clayton
EGR.76R
Nikon D300
Dendrite
[Richard M. Wicker, Clayton
EGR.82R
Nikon D300
Marbelized Travertine
[Richard M. Wicker, Clayton
EGR.182R
Nikon D300
Granite with Tourmaline
[Richard M. Wicker, Clayton
EGR.196R
Nikon D300
Granite with Tourmaline
[Richard M. Wicker, Clayton
EGR.196R
Nikon D300
Pavanazzo marble
[Richard M. Wicker, Clayton
EGR.271R
Nikon D300
Green Marble
[Richard M. Wicker, Clayton
EGR.306R
Nikon D300
Stacia Rose Granite
[Richard M. Wicker, Clayton
EGR.321R
Nikon D300
Schist
[Richard M. Wicker, Clayton
EGR.369R
Nikon D300
Quartz
[Richard M. Wicker, Clayton
IV.EGR.13656.D
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.25.074
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.25.112
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.66.0
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.113.2
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.114
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.120
Nikon D300
Meteorite
[Richard M. Wicker, Clayton
EGT.236.1