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UM2006-05-O:CaFeKMnNaREESrTiZr

Valid as an unnamed mineral
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Formula:
(Sr,Na,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38
Unique combination of elements. Co-described with other unnamed group members: UM2006-06-O:CaFeKMnNaREESrTiZr, UM2006-07-O:CaFeKMnNaREESrTiZr, UM2006-08-O:CaFeKMnNaREESrTiZr, and UM2006-09-O:CaFeMnREESrTiZr.

Ca analogue of crichtonite; ~Ca analogue of dessauite-(Y), mapiquiroite, and UM2006-06-O:CaFeKMnNaREESrTiZr ((without considering the Fe valency).

Note on the locality: "fenitized megaxenolith" within the Khibiny pluton; although the precise localization is not reported, it is almost undoubtedly the Kaskasnyunchorr site based on the listed, very characteristic, associates.

EPMA data for the whole group of unnamed species [wt.%; mean (range)]:

TiO2 68.39 (64.66-73.28)
ZrO2 2.55 (0.74-4.71)
FeO 17.53 (15.49-19.15)
MnO 1.43 (0.28-2.23)
MgO 0.47 (n.d.-0.78)
ZnO 0.12 (n.d.-0.36)
Cr2O3 0.52 (0.25-1.87)
SrO 2.49 (n.d.-4.28)
CaO 1.58 (0.90-2.53)
BaO n.d. (n.d.-0.28)
NiO n.d. (n.d.-1.56)
V2O3 0.46 (0.32-0.60)
Ce2O3 0.98 (n.d.-3.99)
La2O3 0.80 (n.d.-0.35)
Pr2O3 n.d. (n.d.-0.40)
Y2O3 n.d.
Nb2O5 0.42 (0.12-1.06)
ThO2 0.13 (n.d.-0.99)

total 98.89

atoms per formula unit (38 oxygen atoms basis):

Ti 14.81-15.65
Zr 0.11-0.66
Fe 3.86-4.76
Mn 0.07-0.56
Mg 0-0.34
Zn 0-0.08
Cr 0.06-0.45
Sr 0-0.75
Ca 0.29-0.80
Ni 0-0.02
Pb 0-0.04
K 0-0.11
Na 0-0.87
V 0.08-0.14
Ce 0-0.43
La 0-0.36
Nd 0-0.06
Nd 0-0.06
Sm <0.05
Pr <0.05
Nb 0-0.14
Th 0-0.07


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Unique IdentifiersHide

Mindat ID:
54547
Long-form identifier:
mindat:1:1:54547:5

Similar NamesHide

UM2006-06-O:CaFeKMnNaREESrTiZrValid as an unnamed mineral(Sr,Na,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38
UM2006-07-O:CaFeKMnNaREESrTiZrValid as an unnamed mineral(Na,Sr,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38
UM2006-08-O:CaFeKMnNaREESrTiZrValid as an unnamed mineral(Na,Sr,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38

IMA Classification of UM2006-05-O:CaFeKMnNaREESrTiZrHide

IMA status notes:
Unnamed (probably valid)

Chemistry of UM2006-05-O:CaFeKMnNaREESrTiZrHide

Mindat Formula:
(Sr,Na,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38
Element Weights:
Element% weight
Ti50.417 %
O35.576 %
Fe6.536 %
Sr5.127 %
Ca2.345 %

Calculated from ideal end-member formula.
Elements listed:
Ca, Fe, K, Mn, Na, O, Sr, Ti, Zr - search for minerals with similar chemistry

Relationship of UM2006-05-O:CaFeKMnNaREESrTiZr to other SpeciesHide

Member of:
Crichtonite Group
Other Members of Crichtonite Group:
AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)Trig. 3 : R3
BotuobinskiteSrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2]Trig. 3 : R3
Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
Davidite-(Ce)Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
'Davidite-(Y)'(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3 : R3
Haitaite-(La)LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38Trig. 3 : R3
LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig. 3 : R3
Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38Trig. 3 : R3
Mathiasite(Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12Trig. 3 : R3
Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
MirnyiteSrZr4+Mg2(Cr3+6Ti4+12)O38Trig. 3 : R3
PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 Trig. 3 : R3
SaranovskiteSrCaFe2+2(Cr4Ti2)Ti12O38Trig. 3 : R3
SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
'UM1987-03-O:FePbTiU'~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
'UM2003-08-O:AlCaFeREEScTiV'(Ca,Ce)Sc(Ti,V,Fe,Al)20O38
'UM2006-06-O:CaFeKMnNaREESrTiZr'(Sr,Na,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38
'UM2006-07-O:CaFeKMnNaREESrTiZr'(Na,Sr,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38
'UM2006-08-O:CaFeKMnNaREESrTiZr'(Na,Sr,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38
'UM2006-09-O:CaFeMnREESrTiZr'(Ce,Sr,REE)(Ca,Mn,Zr)Fe2(Ti,Fe)18O38
'Unnamed (HBU UK-4)'NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for UM2006-05-O:CaFeKMnNaREESrTiZrHide

References for UM2006-05-O:CaFeKMnNaREESrTiZrHide

Localities for UM2006-05-O:CaFeKMnNaREESrTiZrHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Russia
 
  • Murmansk Oblast
Barkov et al. (2006) +1 other reference
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