Locality type: | Quarry |
Classification |
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Species: | Ranciéite |
Formula: | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Ranciéite data |
Locality Data: | Click here to view Stahl quarry, Dörrmorsbach, Haibach, Aschaffenburg District, Lower Franconia, Bavaria, Germany |
Data Identifiers |
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Mindat Occurrence Record ID: | 163642 |
Long-form Identifier: | 1:3:163642:0 |
GUID (UUID V4): | 6f6e4946-6ed8-421e-89d4-4ba8482f4592 |
Nearest other occurrences of Ranciéite |
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19.3km (12.0 miles) | ⓘSegen Gottes Mine, Huckelheim, Westerngrund, Aschaffenburg District, Lower Franconia, Bavaria, Germany |
References |
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Reference Search (possible matching items) |
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| | Report (issue) | greigite, origin of life, oxygenic photosynthesis, ranciéite. By autogeny we understand the origin of a most...dissipates less energy, but the kinetic barrier is also lower, though not low enough for H2 to react spontaneously...et al., 2003). Other species such a Fe(OH)3 have lower redox potentials, for example Fe(OH)3/Fe(OH)2 =...illustrates how high energy phosphoanhydride, stable at lower pH and water activity and higher T, forms from low...(equation 8), all the way to methane (equation 7), was lower. These first so-called methanogens may have evolved |
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