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Strontiowhitlockite

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About StrontiowhitlockiteHide

Formula:
Sr9Mg(PO4)6(HPO4)
Colour:
White
Lustre:
Dull
Hardness:
5
Crystal System:
Trigonal
Name:
Named as the strontium analogue of Whitlockite.

Classification of StrontiowhitlockiteHide

Approved
Approval Year:
1989
8.AC.45

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
38.3.4.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
19.5.1

19 : Phosphates
5 : Phosphates of Sr and Ba

Physical Properties of StrontiowhitlockiteHide

Transparency:
Translucent
Colour:
White
Hardness:

Optical Data of StrontiowhitlockiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.601 nε = 1.598
Max Birefringence:
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of StrontiowhitlockiteHide

Formula:
Sr9Mg(PO4)6(HPO4)
IMA Formula:
Sr9Mg(PO3OH)(PO4)6
Common Impurities:
Ca

Crystallography of StrontiowhitlockiteHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3c
Cell Parameters:
a = 10.644(9) Å, c = 39.54(6) Å
Ratio:
a:c = 1 : 3.715
Unit Cell V:
3,879.51 ų (Calculated from Unit Cell)
Z:
6
Comment:
Space group R3c assigned by analogy with whitlockite.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.288 (37)
3.071 (29)
3.004 (100)
2.661 (80)
2.246 (26)
1.940 (29)
1.783 (36)

Type Occurrence of StrontiowhitlockiteHide

Synonyms of StrontiowhitlockiteHide

Other Language Names for StrontiowhitlockiteHide

Relationship of Strontiowhitlockite to other SpeciesHide

Other Members of this group:
FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
Hedegaardite(Ca,Na)9(Ca,Na)Mg(PO4)6(PO3OH)Trig. 3m : R3c
MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c

Related Minerals - Nickel-Strunz GroupingHide

8.AC.WopmayiteCa6Na3□Mn(PO4)3(PO3OH)4 Trig. 3m : R3c
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon.
8.AC.10Arseniopleite(Ca,Na)NaMn2+(Mn2+,Mg,Fe2+)2(AsO4)3Mon. 2/m : P2/b
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
8.AC.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3Mon.
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10FerrohagendorfiteNaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10YazganiteNaFe3+2(Mg,Mn2+)(AsO4)3 · H2OMon. 2/m : B2/b
8.AC.10GroatiteNaCaMn2(PO4)(HPO4)2Mon. 2/m : B2/b
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3Mon. 2/m : P21/b
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon.
8.AC.15Qingheiite-(Fe2+)Na2Fe2+MgAl(PO4)3Mon. 2/m : P21/m
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25ManganberzeliiteNaCa2Mn2+2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Palenzonaite(Ca,Na)3CaMn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25SchäferiteCa2NaMg2(VO4)3Iso.
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.45WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.50Chladniite{Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36Trig.
8.AC.50Galileiite{Fe2+}{Na8}{Fe2+4Na4}{Fe2+43}(PO4)36Trig. 3 : R3
8.AC.50Stornesite-(Y){(Y, Ca)}{Na62}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.55HarrisoniteCa(Fe2+,Mg)6(PO4)2(SiO4)2Trig.
8.AC.60KosnariteKZr2(PO4)3Trig. 3m (3 2/m) : R3c
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
8.AC.70StanfielditeCa4Mg5(PO4)6Mon.
8.AC.75RonneburgiteK2MnV4O12Mon. 2/m
8.AC.80Tillmannsite(Ag3Hg)(VO4,AsO4)Tet. 4 : I4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

38.3.4.1WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c
38.3.4.3Merrillite-(Ca)(Ca,◻)19Mg2(PO4)14Trig.
38.3.4.4MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
38.3.4.6TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
38.3.4.7FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
38.3.4.8BobdownsiteTrig. 3m : R3c

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.5.2Belovite-(Ce)NaCeSr3(PO4)3FTrig. 3 : P3
19.5.3GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
19.5.4GoedkeniteSr2Al(PO4)2(OH)Mon. 2/m : P21/m
19.5.5Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4Orth.
19.5.6NabaphiteNaBaPO4 · 9H2OIso.
19.5.7Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
19.5.8NastrophiteNa(Sr,Ba)PO4 · 9H2O
19.5.9JagoweriteBaAl2(PO4)2(OH)2Tric.
19.5.10GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
19.5.11PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3Mon. 2/m : P21/m
19.5.12CuretoniteBa(Al,Ti)(PO4)(OH,O)FMon. 2/m
19.5.13Bjarebyite(Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3Mon.
19.5.14KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3Mon.
19.5.15PerloffiteBa(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m

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.

References for StrontiowhitlockiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Britvin, S.N., Y.A. Pakhomovskii, A.N. Bogdanova, and V.I. Skiba (1991): Strontiowhitlockite, Sr9Mg(PO3OH)(PO4)6, a new mineral from the Kovdor deposit, Kola Peninsula, U.S.S.R. Canadian Mineralogist, 29, 87–93.
New Minerals (1997), New Minerals 1990-1994.

Internet Links for StrontiowhitlockiteHide

Localities for StrontiowhitlockiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
Subbotin, R. P. L. V. V., & Pakhomovsky, Y. A. (1998). A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor massif, Russia. Canadian Mineralogist 36:971-980.
[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mikhailova, J. A., Kalashnikov, A. O., Sokharev, V. A., Pakhomovsky, Y. A., Konopleva, N. G., Yakovenchuk, V. N., ... & Ivanyuk, G. Y. (2016). 3D mineralogical mapping of the Kovdor phoscorite–carbonatite complex (Russia). Mineralium Deposita, 51(1), 131-149.
Mineral and/or Locality  
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