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Psilomelane is a
group name for hard
black manganese oxides including hollandite and romanechite.
Psilomelane consists of
hydrous manganese oxide with...
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formations are not
plant fossil remains, but iron and
manganese oxides (
psilomelane, (Ba,H2O)2Mn5O10) that
crystallized out of
solutions on
bedding planes...
- MnO2·nH2O Hausmannite, MnIIMnIII2O4 Manganite, MnIIIO(OH) Manganosite,
MnIIO Psilomelane, Ba(MnII)(MnIV)8O16(OH)4, or (Ba,H2O)2Mn5O10 Pyrolusite, MnIVO2 Manganese...
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organically produced carbonate Pele's hair Petroleum, liquid,
organic Psilomelane Pumice Pyrobitumen,
amorphous fossilized petroleum (noncrystalline, organic)...
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occurs prin****lly as
pyrolusite (MnO2),
braunite (Mn2+Mn3+6)SiO12),
psilomelane (Ba,H2O)2Mn5O10, and to a
lesser extent as
rhodochrosite (MnCO3). The...
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Polyhalite Poudretteite Powellite Prehnite Prismatine Prosopite Proustite Psilomelane Pumpellyite Chlorastrolite (var.)
Purpurite Pyrite Pyrargyrite Pyromorphite...
- from
manganese oxides such as pyrolusite, manganite, and
especially psilomelane form at the
oxidized portion of manganese-rich
mineral deposits. In the...
- of a
different element, magnesium.
Other manganese oxides:
Birnessite Psilomelane Warr, L.N. (2021). "IMA–CNMNC
approved mineral symbols". Mineralogical...
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about a kilometer.
Slime mold
Brefeldia maxima growing fractally on wood
Psilomelane dendrites in the
Solnhofen Limestone Fractals often appear in the realm...
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Manganese ore –
psilomelane (size: 6.7 × 5.8 × 5.1 cm)...
