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Vivianite 2 w-triphylite and feldspar (Hydrous iron phosphate Custer County South Dakota 1652.jpg
Vivianite w-triphylite and feldspar (Hydrous iron phosphate Custer County South Dakota 1651).jpg
Vivianite__with_Triphylite_and_Feldspar__hydrous_Iron_Phosphate.png
Vivianite Foote Mine.jpg
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Triphylite in Pegmatite Lithium iron phosphate Chandler Mills Mine Newport New Hampshire 1832.jpg
Triphylite__in_Pegmatite__Lithium_Iron_Phosphate.png
Heterosite, Triphylite, Mica group - White Elephant Mine, South Dakota, USA.jpg
Graftonite with Triphylite Iron manganese calcium phosphate Palermo Mine, North Groton, New Hampshire 2863.jpg
Graftonite_with_Triphylite__Iron_manganese_calcium_phosphate.png
Feldspar - Albite - Cleavlandite Sodium aluminum silicate Bob Ingersoll Mine, Keystone, Pennington COunty, South Dakota 2694.jpg
Feldspar - Bytownite Sodium calcium aluminum silicate Crystal Bay Minnesota 2689.jpg
Feldspar - Bytownite Sodium calcium aluminum silicate Crystal Bay Minnesota 2691.jpg
Feldspar - Labradorite Sodium calcium aluminum silicate Nain Labrador 2427.jpg
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Feldspar_quarry_on_Helen_Mica_Lode_-_NARA_-_286136.tif
Feldspar_quarry_on_Helen_Mica_Lode_-_NARA_-_286136.jpg
Feldspar.png
Feldspar_Microcline.png
Feldspar_Oligoclase__Sodium_calcium_aluminum_silicate.png
DSC01689 FELDSPAR MICA.jpg
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COLORADO_FUEL_AND_IRON_COMPANY_FELDSPAR_MINE_ON_MONARCH_PASS._(INFRARED_FILM)_-_NARA_-_543717.tif
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COLORADO_FUEL_&_IRON_COMPANY_FELDSPAR_MINE_ON_MONARCH_PASS_-_NARA_-_543729.tif
COLORADO_FUEL_AND_IRON_COMPANY_FELDSPAR_MINE_ON_MONARCH_PASS._(INFRARED_FILM)_-_NARA_-_543717.jpg
COLORADO_FUEL_AND_IRON_COMPANY_FELDSPAR_MINE_ON_MONARCH_PASS._(INFRARED_FILM)_-_NARA_-_543721.jpg
COLORADO_FUEL_AND_IRON_COMPANY_FELDSPAR_MINE_ON_MONARCH_PASS._(TAKEN_WITH_INFRARED_FILM)_-_NARA_-_543725.jpg
COLORADO_FUEL_&_IRON_COMPANY_FELDSPAR_MINE_ON_MONARCH_PASS_-_NARA_-_543729.jpg
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COLORADO_FUEL_AND_IRON_CO._FELDSPAR_MINE_IN_MONARCH_PASS_-_NARA_-_543809.jpg
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FeldsparUSGOV.jpg
COLORADO_FUEL_AND_IRON_CO._FELDSPAR_MINE_IN_MONARCH_PASS_-_NARA_-_543809.tif
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Necklace with Gemstones, 500s AD, Early Byzantine, gold with amethyst, sapphire, feldspar, and pearls - Cleveland Museum of Art - DSC08331.JPG
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Aigue-marine sur orthose (Namibie) 1.jpg
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