psilomelane
- noun
- /ˌsaɪləˈmɛleɪn/
- Specialized
- The geologist identified the black crystals as psilomelane in the rock sample.
Examples
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Mines in the area are rich in psilomelane, making them valuable sources of manganese.
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Collectors prize specimens of psilomelane for their lustrous surfaces and unique forms.
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The geologist identified the psilomelane in the rock sample.
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Many psilomelanes can be found in this region.
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Mines in the area are rich in psilomelane, making them valuable sources of manganese.
-
Collectors prize specimens of psilomelane for their lustrous surfaces and unique forms.
-
The geologist identified the black crystals as psilomelane in the rock sample.
Surface Forms
Etymology
Psilomelane comes from Greek parts psilo- meaning 'smooth' or 'bare' and -melane meaning 'black'. The name describes a 'smooth black' mineral, which fits its shiny dark surface and helps explain why collectors and miners prize it as a source of manganese.