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Back-scattered electron images of ercitite (medium gray) showing lath-shaped habit and cleavages and splintering on mechanical disturbance.
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Ercitite forms 200–400 µm irregular aggregates of lath-like crystals in fan-like ... colorless lithiophosphate and dark brown-black clots of ercitite on ...
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THE CRYSTAL STRUCTURE OF ERCITITE, Na2(H2O)4[Mn3+2(OH)2(PO4)2], AND ITS RELATION TO BERMANITE, Mn2+(H2O)4[Mn3+2(OH)2(PO4)2] ...
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across imbedded in ercitite, shows the ratio of its main components Na : (Mn > Fe >> Mg > Zn) ... and so far the only specimen, of ercitite is stored in the ...
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Abstract: Ercitite, ideally Na Mn3+ (PO4) (OH) (H2O)2, is a new mineral species ... Ercitite forms 200-400 µm irregular aggregates of lath-like crystals in ...
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Ercitite - Wikipedia
La ercitite è un minerale. Webmin Fosfati, arsenati e vanadati
it.wikipedia.org/wiki/Ercitite |
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Observed and calculated structure factors for ercitite. Page 1. h k l 10Fo 10Fc 10s h k l 10Fo 10Fc 10s h k l 10Fo 10Fc 10s h k l 10Fo 10Fc 10s ...
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Gas temperature at the time of collection was 410 420 C. ... Mon., 455 465. The mineral occurs as pale bluish to bluish white botryoidal crusts of tabular crystals, each 5 10 m across and commonly of hexagonal outline. ... also known from the Christiana mine at Kamariza, in association with serpierite and hemimorphite. The 3R and...
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Initial work on ercitite suggested that its relationship to bermanite {Mn2+(H2O)4[Mn3+ ... was collected on the same piece of ercitite used in the original ...
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However, the stacking of these sheet-like units differs between the two minerals; the sheets in ercitite link through corner-sharing of [7]-coordinated Na ...
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