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“psilomelanic”
psilomelane, psilomelanic
1. Any mixture of black manganese oxide minerals.
2. Smooth hydrous manganese oxide compositions.
3. A common ore of manganese, a hydrated oxide, occurring in smooth black amorphous masses, or in botryoidal or stalactitic shape.
4. Etymology: Greek psilos, "bare" plus melanos, "black".
2. Smooth hydrous manganese oxide compositions.
3. A common ore of manganese, a hydrated oxide, occurring in smooth black amorphous masses, or in botryoidal or stalactitic shape.
4. Etymology: Greek psilos, "bare" plus melanos, "black".
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psilo-, psil- +
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