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Baghdadite

Big Photo

Fuka mine, Bitchu-cho (Bicchu-cho), Takahashi, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
© Knut Eldjarn

Show Baghdadite Photos (3)
Formula:
Ca
 
3
(Zr,Ti)[O
 
2
|Si
 
2
O
 
7
]
System:MonoclinicColour:Colourless
Lustre:VitreousHardness:6


Wöhlerite Group.

Classification of Baghdadite

IMA status:Approved
Strunz 8th edition ID:8/C.11-30
Nickel-Strunz 10th (pending) edition ID:9.BE.17

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
Dana 8th edition ID:56.2.4.1

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Hey's CIM Ref.:14.10.25

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
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Type Occurrence of Baghdadite

Type Locality:Dupezeh Mt., Hero, Qala-Diz (Qala-Dizeh; Qala-Diza), Iraq
Year of Discovery:1986

Physical Properties of Baghdadite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless
Streak:White
Hardness (Mohs):6

Crystallography of Baghdadite

Crystal System:Monoclinic
Cell Parameters:a = 10.42Å, b = 10.16Å, c = 7.36Å
β = 91.1°
Ratio:a:b:c = 1.026 : 1 : 0.724
Unit Cell Volume:V 779.04 ų (Calculated from Unit Cell)

Optical Data of Baghdadite

Type:Biaxial (+)
RI values: nα = 1.652 nβ = 1.658 nγ = 1.670
2V:Measured: 72° , Calculated: 72°
Maximum Birefringence:δ = 0.018

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

Chemical Properties of Baghdadite

Formula:
Ca
 
3
(Zr,Ti)[O
 
2
|Si
 
2
O
 
7
]
Essential elements:Ca, O, Si, Zr
All elements listed in formula:Ca, O, Si, Ti, Zr
Common Impurities:Al,Fe,Mg,Na

Relationship of Baghdadite to other Species

Related to:
  • Wöhlerite Group
    • Related Minerals - Nickel-Strunz Grouping):
    9.BE.02Wadsleyite
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    9.BE.05Hennomartinite
    SrMn
    3+
    2
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BE.05Lawsonite
    CaAl
     
    2
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BE.05Noelbensonite
    BaMn
    3+
    2
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BE.05Itoigawaite
    SrAl
     
    2
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BE.07Ilvaite
    CaFe
    2+
    2
    		Fe
    3+
     
    		[O|OH|Si
     
    2
    		O
     
    7
    		]
    9.BE.07Manganilvaite
    Ca(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		Fe
    3+
     
    		[O|OH|Si
     
    2
    		O
     
    7
    		]
    9.BE.10Suolunite
    Ca
     
    2
    		[H
     
    2
    		Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BE.12Jaffeite
    Ca
     
    6
    		[(OH)
     
    6
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.15Fresnoite
    Ba
     
    2
    		Ti[O|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Burpalite
    Na
     
    2
    		CaZr[F
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Cuspidine
    Ca
     
    4
    		[(F,OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Hiortdahlite
    (Ca,Na)
     
    3
    		(Zr,Ti)Si
     
    2
    		O
     
    7
    		(O,OH,F)
     
    2
    9.BE.17Janhaugite
    (Na,Ca)
     
    3
    		(Mn,Fe)
     
    3
    		(Ti,Zr,Nb)
     
    2
    		Si
     
    4
    		O
     
    15
    		(OH,F,O)
     
    3
    9.BE.17Låvenite
    (Na,Ca)
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)(Zr,Ti)[(O,OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Niocalite
    (Ca,Nb)
     
    4
    		[(O,OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Normandite
    NaCa(Mn,Fe)(Ti,Nb,Zr)[(O,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Wöhlerite
    NaCa
     
    2
    		(Zr,Nb)[(O,OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Hiortdahlite I
    (Na
     
    3
    		Ca)Ca
     
    8
    		Zr
     
    2
    		(M
    3+
     
    		)
     
    2
    		(Si
     
    2
    		O
     
    7
    		)
     
    4
    		O
     
    3
    		F
     
    5
    9.BE.17IMA2005-005a
    Na
     
    2
    		Ca
     
    4
    		(Nb,Zr)
     
    2
    		[(O,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.20Mosandrite
    (Ca,Na,Ce)
     
    12
    		(Ti,Zr)
     
    2
    		[F
     
    4
    		|(OH)
     
    6
    		|SiO
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    3
    		]
    9.BE.20Nacareniobsite-(Ce)
    Na
     
    3
    		Ca
     
    3
    		(Ce,La,Nd)Nb[F
     
    3
    		|O|(Si
     
    2
    		O
     
    7
    		)
     
    2
    		]
    9.BE.20Rinkite
    Na(Na,Ca)
     
    2
    		(Ca,Ce)
     
    4
    		Ti[F
     
    2
    		|(O,F)
     
    2
    		|(Si
     
    2
    		O
     
    7
    		)
     
    2
    		]
    9.BE.22Götzenite
    Na
     
    2
    		Ca
     
    5
    		Ti[F
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    2
    		]
    9.BE.22Hainite
    Na
     
    4
    		Ca
     
    8
    		(Ti,Zr,Mn)
     
    3
    		[F
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    2
    		]
     
    2
    9.BE.22Rosenbuschite
    (Ca,Na)
     
    3
    		(Zr,Ti)[O|F|Si
     
    2
    		O
     
    7
    		]
    9.BE.22Kochite
    (Na,Ca)
     
    3
    		Ca
     
    2
    		(Mn,Ca)ZrTi[(F,O)
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    2
    		]
    9.BE.23Dovyrenite
    Ca
     
    6
    		Zr(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(OH)
     
    4
    9.BE.25Barytolamprophyllite
    (Ba,Na)
     
    2
    		(Na,Ti,Fe
    3+
     
    		)
     
    4
    		Ti
     
    2
    		[O|(OH,F)|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.25Ericssonite
    BaMn
    2+
    2
    		Fe
    3+
     
    		[O|OH|Si
     
    2
    		O
     
    7
    		]
    9.BE.25Lamprophyllite
    (Sr,K,Ba)
     
    2
    		(Na,Ti,Mn
    2+
     
    		,Fe
    3+
     
    		)
     
    4
    		Ti
     
    2
    		[O|(O,OH,F)|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.25Orthoericssonite
    BaMn
    2+
    2
    		Fe
    3+
     
    		[O|OH|Si
     
    2
    		O
     
    7
    		]
    9.BE.25Seidozerite
    Na
     
    8
    		Zr
     
    3
    		Ti
     
    3
    		Mn
    2+
    2
    		[O|F|Si
     
    2
    		O
     
    7
    		]
     
    4
    9.BE.25Nabalamprophyllite
    Na
     
    3
    		(Ba,Na)
     
    2
    		Ti
     
    3
    		[O|(OH,F)|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.25Grenmarite
    (Zr,Mn)
     
    2
    		(Zr,Ti)(Mn,Na)(Na,Ca)
     
    4
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(O,F)
     
    4
    9.BE.27Murmanite
    Na
     
    2
    		(Ti,Nb)
     
    2
    		Si
     
    2
    		O
     
    9
    		·nH
     
    2
    		O
    9.BE.30Epistolite
    Na
     
    2
    		(Nb,Ti)
     
    2
    		[O
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · nH
     
    2
    		O
    9.BE.32Lomonosovite
    Na
     
    5
    		Ti
     
    2
    		[O
     
    2
    		|PO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.35Vuonnemite
    Na
     
    11
    		Ti
    4+
     
    		Nb
     
    2
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		O
     
    3
    		(F,OH)
    9.BE.37Sobolevite
    Na
     
    12
    		Ca(NaCaMn)Ti
     
    2
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(PO
     
    4
    		)
     
    4
    		O
     
    3
    		F
     
    3
    9.BE.40Innelite
    Na
     
    2
    		(Ba,K)
     
    4
    		(Mg,Ca,Fe)Ti
     
    3
    		Si
     
    4
    		O
     
    18
    		(OH,F)
     
    1.5
    		SO
     
    4
    9.BE.40Phosphoinnelite
    Ba
     
    4
    		Na
     
    3
    		Ti
     
    3
    		[(O,F)
     
    3
    		|(PO
     
    4
    		,SO
     
    4
    		)
     
    2
    		|Si
     
    4
    		O
     
    14
    		]
    9.BE.42Yoshimuraite
    Ba
     
    2
    		Mn
     
    2
    		TiOSi
     
    2
    		O
     
    7
    		(PO
     
    4
    		)(OH)
    9.BE.45Quadruphite
    Na
     
    14
    		Ca
     
    2
    		Ti
     
    4
    		[O
     
    2
    		|F|(PO
     
    4
    		)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.47Polyphite
    Na
     
    5
    		(Na
     
    4
    		Ca
     
    2
    		)Ti
     
    2
    		(Si
     
    2
    		O
     
    7
    		)(PO
     
    4
    		)
     
    3
    		O
     
    2
    		F
     
    2
    9.BE.50Bornemanite
    BaNa
     
    4
    		Ti
     
    2
    		NbSi
     
    4
    		O
     
    17
    		(F,OH)·Na
     
    3
    		PO
     
    4
    9.BE.50Shkatulkaite
    Na
     
    10
    		Mn
    2+
     
    		Ti
     
    3
    		Nb
     
    3
    		[(OH)
     
    2
    		|F|(Si
     
    2
    		O
     
    7
    		)
     
    6
    		] · 12H
     
    2
    		O
    9.BE.50Shkatulkalite
    9.BE.50Bykovaite
    BaNa(Na,Ti)
     
    4
    		[(OH,F)
     
    2
    		|(Ti,Nb)
     
    2
    		Si
     
    4
    		O
     
    14
    		(O,OH)
     
    3
    		] · 3H
     
    2
    		O
    9.BE.55Bafertisite
    Ba(Fe
    3+
     
    		,Mn
    2+
     
    		)
     
    2
    		Ti[O|(O,OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.55Hejtmanite
    Ba(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		Ti[O|(OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.55Nechelyustovite
    (Ba,Na)
     
    2
    		{(Na,Ti,Mn)
     
    4
    		[(Ti,Nb)
     
    2
    		(OH)
     
    3
    		Si
     
    4
    		O
     
    14
    		](OH,O,F)
     
    2
    		} · 3H
     
    2
    		O
    9.BE.60Delindeite
    (Na,K)
     
    2.7
    		(Ba,Ca)
     
    4
    		(Ti,Fe,Al)
     
    6
    		Si
     
    8
    		O
     
    26
    		(OH)
     
    14
    9.BE.65Bussenite
    Na
     
    2
    		Ba
     
    2
    		FeTiSi
     
    2
    		O
     
    7
    		(CO
     
    3
    		)(OH)
     
    3
    		F
    9.BE.67Jinshajiangite
    (Na,Ca)(Ba,K)(Fe,Mn)
     
    4
    		Ti
     
    2
    		Si
     
    4
    		O
     
    16
    		(F,O,OH)
     
    2-3
    9.BE.67Perraultite
    (Na,Ca)(Ba,K)(Mn,Fe)
     
    4
    		(Ti,Nb)
     
    2
    		Si
     
    4
    		O
     
    16
    		(OH,F,O)
     
    3
    9.BE.67Surkhobite
    (Ba,K)
     
    2
    		CaNaMn
     
    8
    		Ti
     
    4
    		(Si
     
    2
    		O
     
    7
    		)
     
    4
    		O
     
    4
    		(F,OH,O)
     
    6
    9.BE.70Karnasurtite-(Ce)
    (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P)
     
    2
    		O
     
    7
    		(OH)
     
    4
    		·3H
     
    2
    		O
    9.BE.70Perrierite-(Ce)
    (Ce,Ca,Th)
     
    4
    		(Mg,Fe
    2+
     
    		)
     
    2
    		(Ti,Fe
    3+
     
    		)
     
    3
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Strontiochevkinite
    (Sr,La,Ce,Ca)
     
    4
    		Fe
    3+
     
    		(Ti,Zr)
     
    2
    		Ti
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Chevkinite-(Ce)
    (Ce,La,Ca,Na,Th)
     
    4
    		(Fe
    2+
     
    		,Mg)(Fe
    3+
     
    		,Ti,Fe
    2+
     
    		)
     
    2
    		(Ti,Fe
    3+
     
    		,Nb)
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Polyakovite-(Ce)
    (Ce,Ca)
     
    4
    		(Mg,Fe
    2+
     
    		)(Cr
    3+
     
    		,Fe
    3+
     
    		)
     
    2
    		(Ti,Nb)
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Rengeite
    Sr
     
    4
    		ZrTi
     
    4
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Matsubaraite
    Sr
     
    4
    		Ti
     
    5
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Dingdaohengite-(Ce)
    Ce
     
    4
    		Fe
    2+
     
    		Ti
     
    2
    		Ti
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Maoniupingite-(Ce)
    (REE,Ca)
     
    4
    		(Fe
    3+
     
    		,Ti,Fe
    2+
     
    		,[])(Ti,Fe
    3+
     
    		,Fe
    2+
     
    		,Nb)
     
    4
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.70Perrierite-(La)
    (La,Ce, Ca)
     
    4
    		(Fe,Mn
    2+
     
    		,Mg)(Ti,Fe)
     
    4
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.72Fersmanite
    (Ca,Na)
     
    4
    		(Ti,Nb)
     
    2
    		Si
     
    2
    		O
     
    11
    		(F,OH)
     
    2
    9.BE.75Belkovite
    Ba
     
    3
    		(Nb,Ti)
     
    6
    		[O
     
    6
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
    9.BE.77Nasonite
    Pb
     
    6
    		Ca
     
    4
    		[Cl
     
    2
    		|(Si
     
    2
    		O
     
    7
    		)
     
    3
    		]
    9.BE.80Kentrolite
    Pb
     
    2
    		Mn
    3+
    2
    		[O
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.80Melanotekite
    Pb
     
    2
    		Fe
    3+
    2
    		[O
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.82Tilleyite
    Ca
     
    5
    		[(CO
     
    3
    		)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.85Killalaite
    Ca
     
    3
    		[Si
     
    2
    		O
     
    7
    		] · 0.5H
     
    2
    		O
    9.BE.87Stavelotite-(La)
    (La,Nd,Ca)
     
    3
    		Mn
    2+
    3
    		Cu(Mn
    3+
     
    		,Fe
    3+
     
    		,Mn
    4+
     
    		)
     
    26
    		[O
     
    5
    		|Si
     
    2
    		O
     
    7
    		]
     
    6
    9.BE.90Biraite-(Ce)
    Ce
     
    2
    		Fe
    2+
     
    		[CO
     
    3
    		|Si
     
    2
    		O
     
    7
    		]
    Related Minerals - Hey's Index Grouping:
    14.10.1Zircon
    Zr[SiO
     
    4
    		]
    14.10.2Hafnon
    (Hf,Zr)[SiO
     
    4
    		]
    14.10.3Zektzerite
    LiNa(Zr,Ti,Hf)Si
     
    6
    		O
     
    15
    14.10.4Parakeldyshite
    Na
     
    2
    		ZrSi
     
    2
    		O
     
    7
    14.10.5Vlasovite
    Na
     
    2
    		ZrSi
     
    4
    		O
     
    11
    14.10.6Keldyshite
    (Na,H)
     
    2
    		ZrSi
     
    2
    		O
     
    7
    14.10.7Gaidonnayite
    Na
     
    2
    		Zr[Si
     
    3
    		O
     
    9
    		]·2H
     
    2
    		O
    14.10.8Terskite
    Na
     
    4
    		ZrSi
     
    6
    		O
     
    16
    		·2H
     
    2
    		O
    14.10.9Elpidite
    Na
     
    2
    		ZrSi
     
    6
    		O
     
    15
    		·3H
     
    2
    		O
    14.10.10Hilairite
    Na
     
    2
    		Zr[SiO
     
    3
    		]
     
    3
    		·3H
     
    2
    		O
    14.10.11Petarasite
    Na
     
    5
    		Zr
     
    2
    		[(OH,Cl)|Si
     
    6
    		O
     
    18
    		]·2H
     
    2
    		O
    14.10.12Khibinskite
    K
     
    2
    		ZrSi
     
    2
    		O
     
    7
    14.10.13Wadeite
    K
     
    2
    		Zr[Si
     
    3
    		O
     
    9
    		]
    14.10.14Dalyite
    K
     
    2
    		ZrSi
     
    6
    		O
     
    15
    14.10.15Kostylevite
    K
     
    2
    		ZrSi
     
    3
    		O
     
    9
    		·H
     
    2
    		O
    14.10.16Umbite
    K
     
    2
    		(Zr,Ti)Si
     
    3
    		O
     
    9
    		·H
     
    2
    		O
    14.10.17Paraumbite
    K
     
    3
    		Zr
     
    2
    		H(Si
     
    3
    		O
     
    9
    		)
     
    2
    		·nH
     
    2
    		O
    14.10.18Georgechaoite
    NaKZr[Si
     
    3
    		O
     
    9
    		]·2H
     
    2
    		O
    14.10.19Gittinsite
    CaZr[Si
     
    2
    		O
     
    7
    		]
    14.10.20Calciocatapleiite
    CaZrSi
     
    3
    		O
     
    9
    		·2H
     
    2
    		O
    14.10.21Calciohilairite
    CaZr[SiO
     
    3
    		]
     
    3
    		·3H
     
    2
    		O
    14.10.22Armstrongite
    CaZr[Si
     
    6
    		O
     
    15
    		]·3H
     
    2
    		O
    14.10.23Lemoynite
    (Na,K)
     
    2
    		CaZr
     
    2
    		Si
     
    10
    		O
     
    26
    		·5H
     
    2
    		O
    14.10.24Catapleiite
    Na
     
    2
    		Zr[Si
     
    3
    		O
     
    9
    		]·2H
     
    2
    		O
    14.10.26Lovozerite
    (Na,Ca)
     
    3
    		(Zr,Ti)[Si
     
    6
    		(O,OH)
     
    18
    		]
    14.10.27Låvenite
    (Na,Ca)
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)(Zr,Ti)[(O,OH,F)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    14.10.28Penkvilksite
    (Na,Ca)
     
    4
    		(Ti,Zr)
     
    2
    		Si
     
    8
    		O
     
    22
    		·5H
     
    2
    		O
    14.10.29Darapiosite
    KNa
     
    2
    		Li(Mn,Zn)
     
    2
    		ZrSi
     
    12
    		O
     
    30
    14.10.30Bazirite
    BaZr[Si
     
    3
    		O
     
    9
    		]
    14.10.31Komkovite
    BaZr[Si
     
    3
    		O
     
    9
    		]·3H
     
    2
    		O
    14.10.32Zirsinalite
    Na
     
    6
    		(Ca,Mn
    2+
     
    		,Fe
    2+
     
    		)Zr[Si
     
    6
    		O
     
    18
    		]
    14.10.33Tranquillityite
    (Fe
    2+
     
    		,Ca)
     
    8
    		(Zr,Y)
     
    2
    		Ti
     
    3
    		[O
     
    4
    		|SiO
     
    4
    		]
     
    3

    Other Names for Baghdadite

    German names:
    Baghdadit
    Russian names:
    Багдадит
    Spanish names:
    Baghdadita

    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 Baghdadite

    Reference List:Mineralogical Magazine (1986): 50: 119-123.

    Internet Links for Baghdadite

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  • Raman and XRD data at RRUFF project
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  • Baghdadite details from Handbook of Mineralogy (PDF)
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    Localities for Baghdadite

    Hide Locality List
    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.
    Iraq
     
    • Qala-Diz (Qala-Dizeh; Qala-Diza)
      • Hero
    		Al-Hermezi, H. M., McKie, D., & Hall, A. J. (1986). Baghdadite, a new calcium zirconium silicate mineral from Iraq. Mineralogical Magazine, 50, 119-123.
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
            • Bitchu-cho (Bicchu-cho)
    		Lapis 2002(11), 12.
      • Tohoku Region
        • Iwate Prefecture
    		Matsubara, S., Miyawaki, R. (1999). Baghdadite from the Akagana Mine, Iwate Prefecture, Japan. Bull. Nat. Sci. Mus., Tokyo, Ser. C., 25 (3-4): 65-72.
    Norway
     
    • Telemark
      • Skien
    		Jamtveit B., Dahlgren S. and Austrheim H. (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway". American Mineralogist V 82, pp. 1241 - 1254.
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Irkutskaya Oblast'
          • Lake Baikal area
            • Yoko-Dovyrensky Massif
    		Galuskin, Evgeny V. et al. (2007) Dovyrenite Ca6Zr[Si2O7]2(OH)4: Vol. 38(1) , 15-27.
    Mineral and/or Locality
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