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Definition of Psilomelane
1. Noun. A mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese.
Definition of Psilomelane
1. n. A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color.
Definition of Psilomelane
1. Noun. Any hard, black hydrous manganese oxide with variable amounts of barium and potassium. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Psilomelane
Literary usage of Psilomelane
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1910)
"From cither psilomelane or pyrolusite it is distinguished by its hardness. ...
psilomelane.—This is, with the possible exception of pyrolusite, ..."
2. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1904)
"From either psilomelane or pyrolusite it is distinguished by its hardness. ...
psilomelane.—This is, with the possible exception of pyrolusite, ..."
3. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1904)
"From either psilomelane or pyrolusite it is distinguished by its hardness.
When in crystals it takes prismatic forms with the prism faces deeply striated ..."
4. Structural and Field Geology for Students of Pure and Applied Science by James Geikie (1910)
"... Corundum ; Pyrolusite, psilomelane, and Wad. Silicates—Felspar Group ; Fels-
... psilomelane ..."
5. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1910)
"psilomelane.—This is, with the possible exception of pyrolusite, the commonest
of the manganese minerals. The usual form of occurrence is that of irregular ..."
6. Quantitative Chemical Analysis by Electrolysis by Alexander Classen, Walter Löb (1898)
"psilomelane. Constituents: Manganous Oxide, Copper Oxide, Ferric Oxide, Nickel
Oxide, Cobalt Oxide, Alumina, Lime, Potash, Soda, and Lithia. ..."
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