Ferricoronadite
Ferricoronadite | |
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![]() Greyish brown crystals of the very rare Pb-Mn mineral ferricoronadite (IMA 2015-093) from one of the only two known localities worldwide: Cowshill, Weardale, County Durham, United Kingdom. | |
General | |
Category | Mineral |
Formula (repeating unit) | Pb(Mn4+6Fe3+2)O16 |
IMA symbol | Fcor[1] |
Strunz classification | 4.DK.4.DK |
Crystal system | Tetragonal |
Space group | I4/m |
Unit cell | a = 9.9043 Å, c = 2.8986 Å Z=1 |
Identification | |
Colour | black |
Fracture | uneven |
Tenacity | brittle |
Luster | sub-metallic |
Diaphaneity | Opaque |
Specific gravity | 5.538 |
Common impurities | Ba2+,Mn3+,Ti,Al3+ |
Ferricoronadite is a lead mineral discovered in 2016 by Chukanov et al. near , North Macedonia. Its simplified elemental formula is Pb(Mn64+Fe23+)O16, and it is found in a matrix of zinc-dominant spinels. Ferricoronadite is named as an analogue of coronadite.[2]
References[]
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85: 291–320.
- ^ Chukanov, Nikita V.; Aksenov, Sergey M.; Jančev, Simeon; Pekov, Igor V.; Göttlicher, Jörg; Polekhovsky, Yury S.; Rusakov, Vyacheslav S.; Nelyubina, Yuliya V.; Van, Konstantin V. (2016). "A new mineral species ferricoronadite, Pb[Mn6 4+(Fe3+, Mn3+)2]O16: Mineralogical characterization, crystal chemistry and physical properties". Physics and Chemistry of Minerals. 43 (7): 503–514. Bibcode:2016PCM....43..503C. doi:10.1007/s00269-016-0811-z. S2CID 102008890.
Categories:
- Lead minerals
- Iron minerals
- Manganese minerals
- Geology of North Macedonia
- Mineral stubs