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Ferricoronadite

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Formula:
Pb(Mn4+6Fe3+2)O16
Colour:
Black
Lustre:
Metallic, Sub-Metallic
Specific Gravity:
5.538 (Calculated)
Crystal System:
Tetragonal
Name:
for its relationship with coronadite
Fe3+ analogue of coronadite. Chemically related to lindqvistite, plumboferrite, zenzénite, magnetoplumbite.

The structure is based on double chains comprising (Mn,Fe,Ti)-centered octahedra that share edges; the chains have common vertices, thus forming a pseudo-framework; large cations (Pb, Ba) reside in tunnels in this framework.

Type locality is ca. 15 km from the Nežilovo village, Macedonia.


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Classification of FerricoronaditeHide

Approved
Approval Year:
2016

Physical Properties of FerricoronaditeHide

Metallic, Sub-Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Brownish-black
Hardness:
VHN100=819 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
(100)
Fracture:
Irregular/Uneven
Density:
5.538 g/cm3 (Calculated)
Comment:
from empirical formula

Chemical Properties of FerricoronaditeHide

Formula:
Pb(Mn4+6Fe3+2)O16
Common Impurities:
Ba,Mn(III),Ti,Al

Crystallography of FerricoronaditeHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
I4/m
Setting:
I4/m
Cell Parameters:
a = 9.9043(7) Å, c = 2.8986(9) Å
Ratio:
a:c = 1 : 0.293
Unit Cell V:
284.34 ų
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.497(33)
3.128(100)
2.424(27)
2.214(23)
2.178(17)
1.850(15)
1.651(16)
1.554(18)

Type Occurrence of FerricoronaditeHide

General Appearance of Type Material:
veinlets, up to 8 mm thick, in granular aggregate mainly composed by Zn-dominant spinels
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4787/1, and the National Institution Macedonian Museum of Natural History, Skopje, Macedonia, registration number PNMG 790
Geological Setting of Type Material:
hydrothermal in "Mixed Series" metamorphic complex (orogenetic zone)
Associated Minerals at Type Locality:

Synonyms of FerricoronaditeHide

Other Language Names for FerricoronaditeHide

Afrikaans:Ferricoronadite

Relationship of Ferricoronadite to other SpeciesHide

Other Members of this group:
CoronaditePb(Mn4+6Mn3+2)O16Mon. 2/m
CryptomelaneK(Mn4+7Mn3+)O16Mon. 2/m
FerrihollanditeBa(Mn4+6Fe3+2)O16Mon. 2/m
HollanditeBa(Mn4+6Mn3+2)O16Mon. 2/m
ManjiroiteNa(Mn4+7Mn3+)O16Tet. 4/m : I4/m
StrontiomelaneSr(Mn4+6Mn3+2)O16Mon. 2/m : P21/b

Other InformationHide

IR Spectrum:
shows absence of water and OH groups
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for FerricoronaditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Aksenov, S.M., Jančev, S., Pekov, I.V., Nelyubina, Y.V., Göttlicher, J., Polekhovsky, Y.S., Rusakov, V.S., Van, K.V., (2016) Ferricoronadite, IMA 2015-093. CNMNC Newsletter No. 29, February 2016, 203; Mineralogical Magazine: 80: 199–205.
Chukanov, N.V., Aksenov, S.M., Jančev, S., Pekov, I.V., Göttlicher, J., Polekhovsky, Yu.S., Rusakov, V.S., Nelyubina, Y.V., Van, K.V. (2016): A new mineral species ferricoronadite, Pb[Mn64+(Fe3+,Mn3+)2]O16: mineralogical characterization, crystal chemistry and physical properties. Physics and Chemistry of Minerals: 43 (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=12723 (2016)

Internet Links for FerricoronaditeHide

Localities for FerricoronaditeHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Republic of Macedonia (TL)
 
  • Veles
    • Nežilovo
      • Jakupica Mts
        • Babuna Valley
Chukanov, N.V., Aksenov, S.M., Jančev, S., Pekov, I.V., Nelyubina, Y.V., Göttlicher, J., Polekhovsky, Y.S., Rusakov, V.S., Van, K.V., (2016) Ferricoronadite, IMA 2015-093. CNMNC Newsletter No. 29, February 2016, 203; Mineralogical Magazine: 80: 199–205.
Chukanov, N.V., Krzhizhanovskaya, M.G., Jančev, S., Pekov, I.V., Varlamov, D.A., Göttlicher, J., Rusakov, V.S., Polekhovsky, Y.S., Chervonnyi, A.D., Ermolaeva, V.N. (2018): Zincovelesite-6N6S, Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH), a new högbomite-supergroup mineral from Jacupica mountains, Republic of Macedonia. Mineralogy and Petrology, 112, 733–742.
Mineral and/or Locality  
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