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Brown ochre, also FeO(OH), , is a partly hydrated iron oxide. Similarly, lepidocrocite — γ-FeO(OH), [7]: 236 a secondary mineral, a product of the oxidation of iron ore minerals, found in brown iron ores; Sienna contains both limonite and a small amount of manganese oxide (less than 5%), which makes it darker than ochre.
Okra (US: / ˈ oʊ k r ə /, UK: / ˈ ɒ k r ə /), Abelmoschus esculentus, known in some English-speaking countries as lady's fingers, [2] [3] is a flowering plant in the mallow family native to East Africa. [4]
Iron ochre or iron ocher (Ancient Greek: ὠχρός, pale yellow, orange) — at least three iron ore minerals, [1]: 134 common abrasives and pigments with a red-brown or brown-orange hue and the powdery consistency of ocher, were known under such a trivial name. The term “iron ocher” was primarily used among mineral collectors, geologists ...
Ovarian Cancer Research Alliance (OCRA) is a not-for-profit organization focused on ovarian cancer research, advocacy and patient support. [1] The organization was formed in January 2016 when the former not-for-profit organization Ovarian Cancer Research Fund, which focused primarily on ovarian cancer research, combined with Ovarian Cancer National Alliance, which focused primarily on ovarian ...
Aspergillus ochraceus is a mold species in the genus Aspergillus known to produce the toxin ochratoxin A, one of the most abundant food-contaminating mycotoxins, and citrinin.
Sinopia (also known as sinoper, named after the now Turkish city Sinop) is a dark reddish-brown natural earth pigment, whose reddish colour comes from hematite, a dehydrated form of iron oxide. It was widely used in Classical Antiquity and the Middle Ages for painting, and during the Renaissance it was often used on the rough initial layer of ...
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This sea star has five stout rays that range in length from 10 to 25 centimeters (4 to 10 in). The rays are arranged around an ill-defined central disk. While most individuals are purple, they can be orange, orange-ochre, yellow, reddish, or brown.