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Strontiowhitlockite

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Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© 2005 M. Kampf

Show Strontiowhitlockite Photos (2)
Formula:
Sr
 
9
MgH[PO
 
4
]
 
7
System:TrigonalColour:White
Hardness:5
Name:Named as the strontium analogue of Whitlockite.


Whitlockite Group

Classification of Strontiowhitlockite

IMA status:Approved 1989
Strunz 8th edition ID:7/A.05-60
Nickel-Strunz 10th (pending) edition ID:8.AC.45

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

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
Hey's CIM Ref.:19.5.1

19 : Phosphates
5 : Phosphates of Sr and Ba
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Type Occurrence of Strontiowhitlockite

Type Locality:Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1991

Physical Properties of Strontiowhitlockite

Lustre:Dull
Diaphaneity (Transparency):Translucent
Colour:White
Hardness (Mohs):5

Crystallography of Strontiowhitlockite

Crystal System:Trigonal
Cell Parameters:a = 10.64Å, c = 39.54Å
Ratio:a:c = 1 : 3.716
Unit Cell Volume:V 3,876.60 ų (Calculated from Unit Cell)

Optical Data of Strontiowhitlockite

Type:Uniaxial (-)
RI values: nω = 1.601 nε = 1.598
Maximum Birefringence:δ = 0.003

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Strontiowhitlockite

Formula:
Sr
 
9
MgH[PO
 
4
]
 
7
Essential elements:H, Mg, O, P, Sr
All elements listed in formula:H, Mg, O, P, Sr
Common Impurities:Ca

Relationship of Strontiowhitlockite to other Species

Related to:
  • Whitlockite Group
    • Related Minerals - Nickel-Strunz Grouping):
    8.AC.05Howardevansite
    NaCuFe
     
    2
    		(VO
     
    4
    		)
     
    3
    8.AC.10Alluaudite
    (Na,Ca)Mn
    2+
     
    		(Fe
    3+
     
    		,Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Arseniopleite
    NaCaMn
    2+
     
    		(Mn
    2+
     
    		,Mg)
     
    2
    		(AsO
     
    4
    		)
     
    3
    8.AC.10Caryinite
    (Na,Pb)(Ca,Na)((Ca,Mn
    2+
     
    		)(Mn
    2+
     
    		,Mg,Fe
    3+
     
    		)[AsO
     
    4
    		]
     
    3
    8.AC.10Ferroalluaudite
    (Na,Ca)Fe
    2+
     
    		(Fe
    3+
     
    		,Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Hagendorfite
    NaCaMn
    2+
     
    		Fe
    2+
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Johillerite
    Na(Mg,Zn)
     
    3
    		Cu[AsO
     
    4
    		]
     
    3
    8.AC.10Maghagendorfite
    NaMn(Mg,Fe,Fe)
     
    3
    		(PO
     
    4
    		)
     
    3
    8.AC.10Nickenichite
    Na
     
    0.8
    		Ca
     
    0.4
    		Cu
     
    0.4
    		(Mg,Fe)
     
    3
    		(AsO
     
    4
    		)
     
    3
    8.AC.10Varulite
    NaCaMn
    2+
     
    		Mn
    2+
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Ferrohagendorfite
    (Na,Ca)
     
    2
    		Fe
    2+
     
    		(Fe
    2+
     
    		,Fe
    3+
     
    		)
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Bradaczekite
    NaCu
     
    4
    		(AsO
     
    4
    		)
     
    3
    8.AC.10Yazganite
    NaFe
    3+
    2
    		(Mg,Mn
    2+
     
    		)[AsO
     
    4
    		]
     
    3
    		 · H
     
    2
    		O
    8.AC.10Ferro-alluaudite
    8.AC.15Bobfergusonite
    Na
     
    2
    		Mn
     
    5
    		FeAl(PO
     
    4
    		)
     
    6
    8.AC.15Ferrowyllieite
    (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
     
    4
    		)
     
    3
    8.AC.15Qingheiite
    NaMn
    3+
     
    		Mg(Al,Fe
    3+
     
    		)[PO
     
    4
    		]
     
    3
    8.AC.15Rosemaryite
    (Na,Ca,Mn)(Mn,Fe
    2+
     
    		)(Fe
    3+
     
    		,Mg)Al(PO
     
    4
    		)
     
    3
    8.AC.15Wyllieite
    (Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
     
    4
    		)
     
    3
    8.AC.15Ferrorosemaryite
    []NaFe
    2+
     
    		Fe
    3+
     
    		Al(PO
     
    4
    		)
     
    3
    8.AC.20Marićite
    NaFe
    2+
     
    		[PO
     
    4
    		]
    8.AC.25Berzeliite
    NaCa
     
    2
    		(Mg,Mn
    2+
     
    		)
     
    2
    		[AsO
     
    4
    		]
     
    3
    8.AC.25Manganberzeliite
    (Ca,Na)
     
    3
    		(Mn
    2+
     
    		,Mg)
     
    2
    		[AsO
     
    4
    		]
     
    3
    8.AC.25Palenzonaite
    (Ca,Na)
     
    3
    		CaMn
    2+
    2
    		[VO
     
    4
    		]
     
    3
    8.AC.25Schäferite
    Ca
     
    2
    		NaMg
     
    2
    		[VO
     
    4
    		]
     
    3
    8.AC.30Brianite
    Na
     
    2
    		CaMg[PO
     
    4
    		]
     
    2
    8.AC.35Vitusite-(Ce)
    Na
     
    3
    		(Ce,La,Nd)(PO
     
    4
    		)
     
    2
    8.AC.40Olgite
    Ba(NaSr)
     
    2
    		Na[PO
     
    4
    		]
     
    2
    8.AC.40Bario-olgite
    Ba(Na,Sr,REE)
     
    2
    		Na[PO
     
    4
    		]
     
    2
    8.AC.45Whitlockite
    Ca
     
    9
    		Mg[PO
     
    3
    		OH][PO
     
    4
    		]
     
    6
    8.AC.45Merrillite
    Ca
     
    18
    		Na
     
    2
    		Mg
    2+
    2
    		[PO
     
    4
    		]
     
    14
    8.AC.45Tuite
    Ca
     
    3
    		[PO
     
    4
    		]
     
    2
    8.AC.45Ferromerrillite
    Ca
     
    9
    		Fe
    2+
     
    		Na[PO
     
    4
    		]
     
    7
    8.AC.50Chladniite
    {Ca}{Na
     
    8
    		}{Ca
     
    4
    		Na
     
    4
    		}{(Mg,Fe
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Fillowite
    {Mn
    2+
     
    		}{Na
     
    8
    		}{Ca
     
    4
    		Na
     
    4
    		}{(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Johnsomervilleite
    {Ca}{Na
     
    6
    		[ ]
     
    2
    		}{Ca
     
    6
    		Na
     
    2
    		}{(Fe
    2+
     
    		,Mg,Mn
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Galileiite
    {Fe
    2+
     
    		}{Na
     
    8
    		}{Fe
    2+
    4
    		Na
     
    4
    		}{Fe
    2+
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Stornesite-(Y)
    {(Y, Ca)}{Na
     
    6
    		[ ]
     
    2
    		}{(Ca,Na)
     
    8
    		}{(Mg,Fe
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50IMA2006-006
    Na
     
    4
    		Fe
    2+
    7
    		[PO
     
    4
    		]
     
    6
    8.AC.55Harrisonite
    Ca(Fe
    2+
     
    		,Mg)
     
    6
    		[PO
     
    4
    		|SiO
     
    4
    		]
     
    2
    8.AC.60Kosnarite
    KZr
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.65Panethite
    (Na,Ca)
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    8.AC.70Stanfieldite
    Ca
     
    7
    		Ca
     
    2
    		Mg
     
    9
    		[PO
     
    4
    		]
     
    12
    8.AC.75Ronneburgite
    K
     
    2
    		MnV
     
    4
    		O
     
    12
    8.AC.80Tillmannsite
    (Ag
     
    3
    		Hg)[(VO
     
    4
    		, AsO
     
    4
    		)]
    8.AC.85Filatovite
    K[(Al,Zn)
     
    2
    		(As,Si)
     
    2
    		O
     
    8
    		]
    Related Minerals - Hey's Index Grouping:
    19.5.2Belovite-(Ce)
    NaSr
     
    3
    		(Ce,La)[(F,OH)|(PO
     
    4
    		)
     
    3
    		]
    19.5.3Goyazite
    SrAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    19.5.4Goedkenite
    (Sr,Ca)
     
    2
    		Al[OH|(PO
     
    4
    		)
     
    2
    		]
    19.5.5Palermoite
    (Li,Na)
     
    2
    		(Sr,Ca)Al
     
    4
    		[PO
     
    4
    		]
     
    4
    		(OH)
     
    4
    19.5.6Nabaphite
    NaBaPO
     
    4
    		·9H
     
    2
    		O
    19.5.7Olgite
    Ba(NaSr)
     
    2
    		Na[PO
     
    4
    		]
     
    2
    19.5.8Nastrophite
    Na(Sr,Ba)PO
     
    4
    		·9H
     
    2
    		O
    19.5.9Jagowerite
    BaAl
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    19.5.10Gorceixite
    BaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    19.5.11Penikisite
    Ba(Mg,Fe
    2+
     
    		,Ca)
     
    2
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    3
    19.5.12Curetonite
    Ba
     
    4
    		Al
     
    3
    		Ti(PO
     
    4
    		)
     
    4
    		(O,OH)
     
    6
    19.5.13Bjarebyite
    (Ba,Sr)(Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    3
    19.5.14Kulanite
    Ba(Fe
    2+
     
    		,Mn
    2+
     
    		,Mg)
     
    2
    		(Al,Fe
    3+
     
    		)
     
    2
    		[OH|PO
     
    4
    		]
     
    3
    19.5.15Perloffite
    Ba(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    3

    Other Names for Strontiowhitlockite

    Synonyms:
    IMA1989-040
    German names:
    Strontiowhitlockit
    Spanish names:
    Strontiowhitlockita

    Other Information

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

    References for Strontiowhitlockite

    Reference List:Canadian Mineralogist (1991): 29: 87-93.

    New Minerals (1997), New Minerals 1990-1994.

    Internet Links for Strontiowhitlockite

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    Localities for Strontiowhitlockite

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    The 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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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Kovdor Massif
    		[World of Stones 95:5-6, p64]
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