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Cuspidine

Big Photo

Ariccia, Alban Hills, Rome Province, Latium, Italy
© C.H.M.-Schäfer

Show Cuspidine Photos (12)
Formula:
Ca
 
4
[(F,OH)
 
2
|Si
 
2
O
 
7
]
System:MonoclinicHardness:5 - 6
Name:From the Greek "cuspis," for a spear, the characteristic shape of the twinned crystals.


Cuspidine Group.

Classification of Cuspidine

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/C.11-05
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:56.2.4.3

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.:17.1.15

17 : Silicates Containing other Anions
1 : Silicates with fluoride (not containing Al)
mindat.org URL:http://www.mindat.org/min-1198.html
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Type Occurrence of Cuspidine

Type Locality:Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Year of Discovery:1876

Physical Properties of Cuspidine

Hardness (Mohs):5 - 6

Crystallography of Cuspidine

Crystal System:Monoclinic
Cell Parameters:a = 10.93Å, b = 10.57Å, c = 7.57Å
β = 110.11°
Ratio:a:b:c = 1.034 : 1 : 0.716
Unit Cell Volume:V 821.24 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Cuspidine

Type:Biaxial (+)
RI values: nα = 1.586 - 1.592 nβ = 1.595 - 1.596 nγ = 1.598 - 1.606
2V:Measured: 63° , Calculated: 58° to 66°
Maximum Birefringence:δ = 0.012 - 0.014

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

Chemical Properties of Cuspidine

Formula:
Ca
 
4
[(F,OH)
 
2
|Si
 
2
O
 
7
]
Essential elements:Ca, F, O, Si
All elements listed in formula:Ca, F, H, O, Si
Common Impurities:Mn,Na,K,Cl

Relationship of Cuspidine to other Species

Related to:
  • Cuspidine 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.17Baghdadite
    Ca
     
    3
    		(Zr,Ti)[O
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    9.BE.17Burpalite
    Na
     
    2
    		CaZr[F
     
    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:
    17.1.1Hectorite
    Na
     
    0.3
    		(Mg,Li)
     
    3
    		Si
     
    4
    		O
     
    10
    		(F,OH)
     
    2
    17.1.3Agrellite
    NaCa
     
    2
    		[F|Si
     
    4
    		O
     
    10
    		]
    17.1.4Apophyllite-(NaF)
    NaCa
     
    4
    		[F|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    17.1.5Apophyllite-(KF)
    KCa
     
    4
    		[(F,OH)|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    17.1.6Apophyllite-(KOH)
    KCa
     
    4
    		[(OH,F)|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    17.1.7Hsianghualite
    Ca
     
    3
    		Li
     
    2
    		Be
     
    3
    		[F
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		]
    17.1.8Leucophanite
    (Ca,Na)
     
    2
    		(Be,Al)[Si
     
    2
    		O
     
    6
    		(F,OH)]
    17.1.9Norbergite
    Mg
     
    3
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
    17.1.10Chondrodite
    (Mg,Fe
    2+
     
    		)
     
    5
    		[(F,OH)
     
    2
    		|(SiO
     
    4
    		)
     
    2
    		]
    17.1.11Humite
    (Mg,Fe
    2+
     
    		)
     
    7
    		[(F,OH)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		]
    17.1.12Clinohumite
    (Mg,Fe
    2+
     
    		)
     
    9
    		[(F,OH)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]
    17.1.13Canasite
    Ca
     
    5
    		Na
     
    4
    		K
     
    2
    		(Si
     
    12
    		O
     
    30
    		(OH,F)
     
    4
    17.1.14Charoite
    (K,Na)
     
    5
    		(Ca,Ba,Sr)
     
    8
    		(Si
     
    6
    		O
     
    15
    		)
     
    2
    		(Si
     
    6
    		O
     
    16
    		)(OH,F)·H
     
    2
    		O
    17.1.16Bultfonteinite
    Ca
     
    2
    		[F|HSiO
     
    4
    		] · H
     
    2
    		O
    17.1.17Zeophyllite
    Ca
     
    4
    		Si
     
    3
    		O
     
    8
    		(OH,F)
     
    4
    		·2H
     
    2
    		O
    17.1.18Rowlandite-(Y)
    (Y,Fe
    3+
     
    		,Ce)
     
    3
    		[O|(F,OH)|Si
     
    2
    		O
     
    7
    		]
    17.1.19Yuksporite
    (K,Ba)NaCa
     
    2
    		(Si,Ti)
     
    4
    		O
     
    11
    		(F,OH)·H
     
    2
    		O
    17.1.20Yftisite-(Y)
    (Y,Dy,Er)
     
    4
    		(Ti,Sn)O(SiO
     
    4
    		)
     
    2
    		(F,OH)
     
    6
    17.1.21Mosandrite
    (Ca,Na,Ce)
     
    12
    		(Ti,Zr)
     
    2
    		[F
     
    4
    		|(OH)
     
    6
    		|SiO
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    3
    		]
    17.1.22Hiortdahlite
    (Ca,Na)
     
    3
    		(Zr,Ti)Si
     
    2
    		O
     
    7
    		(O,OH,F)
     
    2
    17.1.23Burpalite
    Na
     
    2
    		CaZr[F
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    17.1.24Seidozerite
    Na
     
    8
    		Zr
     
    3
    		Ti
     
    3
    		Mn
    2+
    2
    		[O|F|Si
     
    2
    		O
     
    7
    		]
     
    4
    17.1.25Thorosteenstrupine
    CaMnThSi
     
    4
    		O
     
    11
    		(OH)F·6H
     
    2
    		O
    17.1.26Zircophyllite
    (K,Na)
     
    3
    		(Mn,Fe
    2+
     
    		)
     
    7
    		(Zr,Ti)
     
    2
    		Si
     
    8
    		O
     
    24
    		(O,OH,F)
     
    7
    17.1.27Jinshajiangite
    (Na,Ca)(Ba,K)(Fe,Mn)
     
    4
    		Ti
     
    2
    		Si
     
    4
    		O
     
    16
    		(F,O,OH)
     
    2-3
    17.1.28Rosenbuschite
    (Ca,Na)
     
    3
    		(Zr,Ti)[O|F|Si
     
    2
    		O
     
    7
    		]
    17.1.29Narsarsukite
    Na
     
    2
    		(Ti,Fe)Si
     
    4
    		(O,F)
     
    11
    17.1.30Sonolite
    Mn
    2+
    9
    		[(OH,F)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]

    Other Names for Cuspidine

    Russian names:
    Куспидин

    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 Cuspidine

    Reference List:Dana, E.S. (1892) Dana's system of mineralogy, (6th edition), 533.

    Tilley, C.E. (1947) Cuspidine from dolomite contact skarns, Broadford, Skye. Mineralogical Magazine: 28:
    90-95.

    Van Valkenberg, A. and G.F. Rynders (1958) Synthetic cuspidine. American Mineralogist: 43: 1195-1202.

    Saburi, S., A. Kawahara, C. Henmi, I. Kusachi, and K. Kihara (1977) The refinement of the crystal structure of cuspidine. Mineralogical Journal (Japan), 8, 286-298.

    Merlino S. & Perchiazzi N.(1988): Modular mineralogy in the cuspidine group of minerals. Canadian Mineralogist: 26: 933-943.

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    Localities for Cuspidine

    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.
    Australia
     
    • Victoria
    		Aust.Jour. Earth Sci. 46:251 (1999)
    China
     
    • Yunnan Province
      • Honghe Autonomous Prefecture
        • Gejiu Co.
    		Yiming Zhao and Daxin Li (1999): Acta Petrologica et Mineralogica [Yanshikuang Wuxue Zazhi] 18(1), 65-73.
    Germany
     
    • Rhineland-Palatinate
      • Eifel Mts
        • Mayen
          • Ettringen
    		[Hentschel, G., Seltene Minerale in Calcium-reichen Auswürflingen vom Bellerberg bei Mayen/Eifel, Aufschluß 29, 77-83, 1978] [Lapis, 15 (5), 9-36]
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Iraq
     
    • Qala-Diz (Qala-Dizeh; Qala-Diza)
      • Hero
    Ireland
     
    • Co. Sligo
      • Killala Bay
    		Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 506.
    Israel
     
    Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
    		[Am Min 43 (1958), 1195; Lapis 1994:5 p.13-23,58]
            • Ercolano
              • San Vito
    		M. Carati: Guida alla mineralogia vesuviana. Bologna, Ed. Calderini (1982)
    • Latium
      • Rome Province
    		Federico, M., Peccerillo, A., (2002): Mineral chemistry and petrogenesis of granular ejecta from the Alban Hills volcano, Mineralogy and Petrology, Vol 74, 223-252
    De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol
      • Viterbo Province
        • Onano
    		M.E. Ciriotti (2005) Probed
    Lapis 28(12), 19-28 (2003)
    • Tuscany
      • Grosseto Province
    Liotti L., 1991. I minerali dei vulcani laziali a Pitigliano (Grosseto). Riv. Mineral. Ital., 15 (3): 121-139.
    • Umbria
      • Terni Province
        • Marsciano
          • San Venanzo
    		Chieti University research 2005
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
            • Bitchu-cho (Bicchu-cho)
    		Mineralogical Record: 27: 303.
    Matsueda, H. (1983) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 6, #3, 259-292.
    Namibia
     
    • Otjozondjupa Region
      • Grootfontein District
        • Kombat
    		Mineralogical Record: 22: 421.
    New Zealand
     
    • South Island
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    Norway
     
    • Telemark
      • Skien
    		Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".
    Poland
     
    • Upper Silesia (Śląskie)
      • Upper Silesian Coal Basin
        • Katowice area
          • Siemianowice Śląskie
    		Kruszewski L. 2006: Oldhamite-periclase-portlandite-fluorite assemblage and coexisting minerals of burnt dump in Siemianowice Śląskie - Dąbrówka Wielka area (Upper Silesia, Poland) - preliminary report. Mineralogia Polonica Special Papers, vol.28, 118-120
    Russia
     
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Baksan Valley
    		P.M. Kartashov data
        • Verkhnechegemskiy volcanic structure
    		A. E. Zadov data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    		www.koeln.netsurf.de/~w.steffens/khib.htm
    Tanzania
     
    • Arusha Region
    		Mitchell, R.H. and Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799.
    UK
     
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Skye
          • Broadford
            • Kilchrist
    		Tilley, C.E. (1947) Cuspidine from dolomite contact skarns, Broadford, Skye. Mineralogical Magazine: 28: 90-95.
    USA
     
    • California
      • Riverside Co.
        • Crestmore
          • Crestmore quarries
            • Sky Blue Hill
    • Idaho
      • Custer Co.
    		Rocks & Minerals (1995) 70: 250.
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Palache(1935):102; Dunn(1995):Pt3:409.
    • New York
      • Essex Co.
        • Keene
          • Cascade Mountain
    Mineral and/or Locality
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