How To Use Psilomelane In A Sentence

• It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite.
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• The ore, a mixture of ‘psilomelane’ and pyrolusite with much manganiferous limonite, contains masses of cerussite.
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• It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite.
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• The ore, a mixture of ‘psilomelane’ and pyrolusite with much manganiferous limonite, contains masses of cerussite.
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• It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite.
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