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Goethite
Goethite
Unusual specimen of goethite replacing a gypsum stalactite; the center is hollow. From Santa Eulalia, Chihuahua, Mexico.
Unusual specimen of goethite replacing a gypsum stalactite; the center is hollow. From Santa Eulalia, Chihuahua, Mexico.
A microscopic picture of Goethite (name misspelled on picture)
A microscopic picture of Goethite (name misspelled on picture)
Iridescent goethite, Filón Sur Mine, Tharsis, Huelva, Spain
Iridescent goethite, Filón Sur Mine, Tharsis, Huelva, Spain
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Ochre pigment
Ochre pigment
Yellow ochre (Goldochre) pigment
Yellow ochre (Goldochre) pigment
Limonite, a mineraloid containing iron hydroxide, is the main ingredient of all the ochre pigments.
Limonite, a mineraloid containing iron hydroxide, is the main ingredient of all the ochre pigments.
Hematite is a more reddish variety of iron oxide, and is the main ingredient of red ochre.
Hematite is a more reddish variety of iron oxide, and is the main ingredient of red ochre.