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Niocalite

A valid IMA mineral species - grandfathered

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Photos of Niocalite (17)

Niocalite Gallery Search Photos of Niocalite

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Niocalite

Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite, etc.

Bond zone, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite

Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite

Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite, etc.

Bond zone, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite

Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite

Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada

Niocalite, etc.

Bond zone, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada

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About NiocaliteHide

Formula:

(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂

Colour:

Lemon-yellow; colourless in transmitted light

Lustre:

Vitreous

Hardness:

Specific Gravity:

3.32

Crystal System:

Monoclinic

Member of:

Wöhlerite Group

Name:

In allusion to the composition, containing NIObium and CALcium.

Type Locality:

ⓘ Bond zone, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada

Isostructural with:

Wöhlerite Group

This page provides mineralogical data about Niocalite.

Unique IdentifiersHide

Mindat ID:

2913

Long-form identifier:

mindat:1:1:2913:7

GUID
(UUID V4):

e618da35-a485-4aac-93ba-70451d6e928a

IMA Classification of NiocaliteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA Formula:

Ca₇Nb(Si₂O₇)₂O₃F

Type description reference:

Nickel, E.H. (1956) Niocalite - a new calcium niobium mineral. American Mineralogist 41, 785-786.

Classification of NiocaliteHide

Strunz-mindat (2024):

9.BE.17

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

Dana 8th ed.:

56.2.4.6

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.:

17.8.4

17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Nio	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of NiocaliteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Lemon-yellow; colourless in transmitted light

Hardness:

6 on Mohs scale

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Conchoidal

Density:

3.32 g/cm³ (Measured) 3.29 g/cm³ (Calculated)

Optical Data of NiocaliteHide

Type:

Biaxial (-)

RI values:

n_α = 1.700 - 1.701 n_β = 1.714 - 1.721 n_γ = 1.720 - 1.730

2V:

Measured: 56° , Calculated: 64° to 66°

Max Birefringence:

δ = 0.020 - 0.029

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

High

Dispersion:

r > v strong

Chemistry of NiocaliteHide

Mindat Formula:

(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂

Elements listed:

Ca, F, H, Nb, O, Si - search for minerals with similar chemistry

Common Impurities:

Ti,Zr,Al,Y,Fe,Ta,Mn,MgNa,K,P,H₂O

Crystallography of NiocaliteHide

Crystal System:

Monoclinic

Class (H-M):

m - Domatic

Cell Parameters:

a = 10.863(3) Å, b = 10.431(3) Å, c = 7.370(2) Å
β = 110.1(1)°

Ratio:

a:b:c = 1.041 : 1 : 0.707

Unit Cell V:

784.25 Å³ (Calculated from Unit Cell)

Morphology:

Crystals prismatic with square cross sections and curved faces. Larger crystals are tapered at both ends.

Twinning:

Twinning fine, with {001} as the composition plane.

Comment:

Space Group: Pa:

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0015690	Niocalite	Mellini M (1982) Niocalite revised: Twinning and crystal structure Tschermaks Mineralogische und Petrographische Mitteilungen 30 249-266		1982	Oka, Quebec, Canada	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Niocalite'
loop_
_publ_author_name
'Mellini M'
_journal_name_full 'Tschermaks Mineralogische und Petrographische Mitteilungen'
_journal_volume 30 
_journal_year 1982
_journal_page_first 249
_journal_page_last 266
_publ_section_title
;
 Niocalite revised: Twinning and crystal structure
 Note: cuspidine structure
;
_database_code_amcsd 0015690
_chemical_compound_source 'Oka, Quebec, Canada'
_chemical_formula_sum 'Ca7 Nb Si4 O17 F'
_cell_length_a 10.863
_cell_length_b 10.431
_cell_length_c 7.370
_cell_angle_alpha 90
_cell_angle_beta 110.1
_cell_angle_gamma 90
_cell_volume 784.246
_exptl_crystal_density_diffrn      3.289
_symmetry_space_group_name_H-M 'P 1 a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,-y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ca1   0.92530   0.65390   0.47810
Ca2   0.91790   0.66510   0.97330
Ca3   0.81230   0.37430   0.68250
Ca4   0.82000   0.36790   0.17000
Nb1   0.68230   0.13950   0.86050
Ca5   0.66280   0.13250   0.35040
Ca6   0.57310  -0.16170   0.55230
Ca7   0.56390  -0.15420   0.04280
Si1   0.36510   0.06540   0.66630
Si2   0.37760   0.05410   0.24140
Si3   0.61690   0.55780   0.35240
Si4   0.60940   0.55930   0.79250
O1   0.50600   0.00900   0.78800
O2   0.50900  -0.02600   0.26900
O3   0.23600  -0.00300   0.68600
O4   0.24400   0.00500   0.07800
O5   0.34500   0.21900   0.68000
O6   0.40400   0.20100   0.22200
O7   0.75500   0.50200   0.36300
O8   0.74500   0.50500   0.92100
O9   0.49300   0.47000   0.24000
O10   0.48200   0.47500   0.77500
O11   0.58700   0.70400   0.30000
O12   0.57800   0.71000   0.80800
O13   0.62600   0.23900   0.04200
O14   0.62300   0.23700   0.62200
F   0.85300   0.24600   0.44700
O16   0.84500   0.22500   0.93700
O17   0.33900   0.03200   0.43600
O18   0.62300   0.53300   0.57600
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ca1 0.01800 0.00800 0.00800 -0.00500 0.00700 0.00000
Ca2 0.00700 0.00900 0.00500 0.00000 0.00300 0.00100
Ca3 0.01200 0.00900 0.01000 -0.00200 0.00400 0.00000
Ca4 0.03200 0.01500 0.01100 0.00300 0.00800 0.00000
Nb1 0.00300 0.00200 0.00100 0.00200 0.00100 0.00100
Ca5 0.01100 0.01400 0.01600 -0.00400 0.00400 -0.00100
Ca6 0.02700 0.01300 0.00800 -0.01300 0.00600 -0.00400
Ca7 0.01200 0.00500 0.00800 -0.00200 0.00300 -0.00200
Si1 0.01000 0.00800 0.01100 -0.00100 0.00400 -0.00300
Si2 0.01000 0.00800 0.01100 0.00100 0.00400 0.00000
Si3 0.01000 0.01400 0.01900 0.00000 0.00500 -0.00300
Si4 0.01000 0.00900 0.00900 0.00400 0.00000 0.00200
O1 0.00800 0.01500 0.02400 0.00000 0.00000 0.01200
O2 0.00500 0.02700 0.02400 0.00400 0.00200 -0.00100
O3 0.00600 0.02400 0.03000 -0.00400 0.00900 0.01600
O4 0.00800 0.02400 0.01500 0.00000 -0.01100 -0.02000
O5 0.02800 0.01100 0.02500 0.00800 0.00400 0.00400
O6 0.08400 0.00000 0.02400 -0.00600 0.03400 -0.00900
O7 0.02000 0.02200 0.03000 0.00600 0.01300 0.00300
O8 0.01100 0.00800 0.04500 -0.00200 0.00600 0.00100
O9 0.01900 0.02000 0.03100 -0.00800 0.00700 -0.01300
O10 0.01400 0.01600 0.02000 -0.00600 0.00200 0.00800
O11 0.05500 0.00300 0.01100 0.00800 0.00200 0.00100
O12 0.01200 0.02200 0.01400 0.00900 0.00100 -0.00500
O13 0.00900 0.03300 0.01800 -0.00400 -0.00300 0.00700
O14 0.01200 0.00700 0.03900 0.00000 0.00400 -0.00700
F 0.01300 0.04000 0.05500 0.00400 -0.00200 -0.01500
O17 0.04900 0.01300 0.02500 -0.00700 0.02000 -0.00300
O18 0.05500 0.03400 0.01400 0.00900 0.02200 -0.00100

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.012 Å	(10)
2.891 Å	(6)
2.852 Å	(6)
3.240 Å	(5)
1.844 Å	(4)
7.31 Å	(3)
2.557 Å	(3)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks
36 : Carbonatites, kimberlites, and related igneous rocks

Type Occurrence of NiocaliteHide

Type Locality:

ⓘ Bond zone, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada

General Appearance of Type Material:

Coarse-grained strontian carbonatite.

Associated Minerals at Type Locality:

Pyrochlore Group	Magnetite	Dysanalyte	Diopside	Calcite
Biotite	Apatite

Reference:

Nickel, E.H. (1956) Niocalite - a new calcium niobium mineral. American Mineralogist 41, 785-786.

Other Language Names for NiocaliteHide

German:Niocalit

Spanish:Niocalita

Relationship of Niocalite to other SpeciesHide

Member of:

Wöhlerite Group

Other Members of this group:

Baghdadite	Ca₆Zr₂(Si₂O₇)₂O₄	Mon. 2/m : P2₁/b
Burpalite	Na₂CaZr(Si₂O₇)F₂	Mon. 2/m : P2₁/b
Cuspidine	Ca₈(Si₂O₇)₂F₄	Mon. 2/m : P2₁/b
Hiortdahlite	Na₂Ca₄(Ca_0.5Zr_0.5)Zr(Si₂O₇)2OF₃	Tric. 1 : P1
Janhaugite	(Na,Ca)₃(Mn²⁺,Fe²⁺)₃(Ti,Zr,Nb)₂(Si₂O₇)₂O₂(OH,F)₂	Mon. 2/m : P2₁/m
Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
Madeiraite	Na₂Ca₂Fe₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
Moxuanxueite	NaCa₆Zr(Si₂O₇)₂OF₃	Tric. 1 : P1
Normandite	NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF	Mon. 2/m : P2₁/b
Pilanesbergite	Na₂Ca₂Fe₂Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
Wöhlerite	Na₂Ca₄ZrNb(Si₂O₇)₂O₃F	Mon. 2 : P2₁

Common AssociatesHide

Associated Minerals Based on Photo Data:

14 photos of Niocalite associated with Calcite	CaCO₃
10 photos of Niocalite associated with Magnetite	Fe²⁺Fe³⁺₂O₄
6 photos of Niocalite associated with Apatite	Ca₅(PO₄)₃(Cl/F/OH)
3 photos of Niocalite associated with Perovskite	CaTiO₃
1 photo of Niocalite associated with Pyrochlore Group	A₂Nb₂(O,OH)₆Z
1 photo of Niocalite associated with Hydroxykenopyrochlore	(◻,Ce,Ba)₂(Nb,Ti)₂O₆(OH,F)
1 photo of Niocalite associated with Latrappite	Ca₂NbFe³⁺O₆
1 photo of Niocalite associated with Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂

Related Minerals - Strunz-mindat Grouping Hide

9.BE.	Paralomonosovite	Na₆◻₄Ti₄(Si₂O₇)₂[PO₃OH][PO₂(OH)₂]O₂(OF)	Tric. 1 : P1
9.BE.	Cámaraite	Ba₃Na(Fe²⁺,Mn)₈Ti₄(Si₂O₇)₄O₄(OH,F)₇	Tric. 1
9.BE.	Christofschäferite-(Ce)	Ce₃CaMnTiFe(³⁺)Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/m
9.BE.	Bobshannonite	Na₂KBa(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂	Tric.
9.BE.	Calciomurmanite	(Na,◻)₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄	Tric. 1 : P1
9.BE.	Batievaite-(Y)	Y₂Ca₂Ti(Si₂O₇)₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.	Delhuyarite-(Ce)	Ce₄Mg(Fe³⁺,W)₃◻(Si₂O₇)₂O₆(OH)₂	Mon. 2/m : B2/m
9.BE.X	Asimowite	Fe²⁺₄O(Si₂O₇)	Orth. mmm (2/m 2/m 2/m) : Imma
9.BE.	Moxuanxueite	NaCa₆Zr(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.	Alexkuznetsovite-(Ce)	Ce₂Mn(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.	Biraite-(La)	La₂Fe²⁺(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.	Zinkgruvanite	Ba₄Mn²⁺₄Fe³⁺₂(Si₂O₇)₂(SO₄)₂O₂(OH)₂	Tric. 1 : P1
9.BE.	Madeiraite	Na₂Ca₂Fe₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.	Bortolanite	Ca₂(Ca_1.5Zr_0.5)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂	Tric. 1 : P1
9.BE.	Nacareniobsite-(Y)	Na₃Ca₃YNb(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.	Pilanesbergite	Na₂Ca₂Fe₂Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.	Alfredcasparite	Sr₂TiO(Si₂O₇)	Tet. 4mm : P4bm
9.BE.02	Wadsleyite	Mg₄O(Si₂O₇)	Orth. mmm (2/m 2/m 2/m) : Imma
9.BE.05	Hennomartinite	SrMn³⁺₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.05	Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.05	Noelbensonite	BaMn³⁺₂(Si₂O₇)(OH)₂ · H₂O	Orth. mm2
9.BE.05	Itoigawaite	SrAl₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.05	Cortesognoite	CaV₂(Si₂O₇)(OH)₂ · H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.07	Ilvaite	CaFe³⁺Fe²⁺₂(Si₂O₇)O(OH)	Orth. mmm (2/m 2/m 2/m)
9.BE.07	Manganilvaite	CaFe²⁺Fe³⁺Mn²⁺(Si₂O₇)O(OH)	Mon. 2/m : P2₁/b
9.BE.07	Amamoorite	CaMn²⁺₂Mn³⁺(Si₂O₇)O(OH)	Mon. 2/m : P2₁/b
9.BE.10	Suolunite	Ca₂(H₂Si₂O₇) · H₂O	Orth. mm2 : Fdd2
9.BE.12	Jaffeite	Ca₆(Si₂O₇)(OH)₆	Trig. 3 : P3
9.BE.15	Fresnoite	Ba₂Ti(Si₂O₇)O	Tet. 4mm : P4bm
9.BE.17	Baghdadite	Ca₆Zr₂(Si₂O₇)₂O₄	Mon. 2/m : P2₁/b
9.BE.17	Burpalite	Na₂CaZr(Si₂O₇)F₂	Mon. 2/m : P2₁/b
9.BE.17	Cuspidine	Ca₈(Si₂O₇)₂F₄	Mon. 2/m : P2₁/b
9.BE.17	Hiortdahlite	Na₂Ca₄(Ca_0.5Zr_0.5)Zr(Si₂O₇)2OF₃	Tric. 1 : P1
9.BE.17	Janhaugite	(Na,Ca)₃(Mn²⁺,Fe²⁺)₃(Ti,Zr,Nb)₂(Si₂O₇)₂O₂(OH,F)₂	Mon. 2/m : P2₁/m
9.BE.17	Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂	Mon. 2/m : P2₁/b
9.BE.17	Normandite	NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF	Mon. 2/m : P2₁/b
9.BE.17	Wöhlerite	Na₂Ca₄ZrNb(Si₂O₇)₂O₃F	Mon. 2 : P2₁
9.BE.20	Mosandrite-(Ce)	(Ca₃REE)[(H₂O)₂Ca_0.5◻_0.5]Ti(Si₂O₇)₂(OH)₂(H₂O)₂	Mon. 2/m : P2₁/b
9.BE.20	Nacareniobsite-(Ce)	Na₃Ca₃(Ce,REE)Nb(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.20	Roumaite	(Ca,Na,REE,◻)₇(Nb,Ti)[Si₂O₇]₂OF₃	Mon. m : Bb
9.BE.20	Rinkite-(Y)	Na₂Ca₄YTi(Si₂O₇)₂OF₃	Mon. 2/m : P2₁/b
9.BE.22	Götzenite	NaCa₆Ti(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.22	Hainite-(Y)	Na₂Ca₄(Y,REE)Ti(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.22	Rosenbuschite	Na₆Ca₆Zr₃Ti(Si₂O₇)₄O₂F₆	Tric. 1 : P1
9.BE.22	Kochite	Na₃Ca₂MnZrTi(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.22	Fogoite-(Y)	Na₃Ca₂Y₂Ti(Si₂O₇)₂OF₃	Tric. 1 : P1
9.BE.23	Dovyrenite	Ca₆Zr(Si₂O₇)₂(OH)₄	Orth. mmm (2/m 2/m 2/m) : Pnnm
9.BE.25	Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)	Mon.
9.BE.25	Ericssonite	BaMn²⁺₂Fe³⁺(Si₂O₇)O(OH)	Mon. 2/m : B2/m
9.BE.25	Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂	Mon. 2/m
9.BE.25	Ericssonite-2O	BaMn²⁺₂Fe³⁺(Si₂O₇)O(OH)	Orth.
9.BE.25	Seidozerite	Na₄MnZr₂Ti(Si₂O₇)₂O₂F₂	Mon. 2/m : P2/b
9.BE.25	Nabalamprophyllite	(BaNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	Mon. 2/m : P2/m
9.BE.25	Grenmarite	Na₄MnZr₃(Si₂O₇)₂O₂F₂	Mon. 2/m : P2/b
9.BE.25	Schüllerite	Ba₂Na(Mn,Ca)(Fe³⁺,Mg,Fe²⁺)₂Ti₂(Si₂O₇)₂(O,F)₄	Tric. 1 : P1
9.BE.25	Kazanskyite	BaNa₃Ti₂Nb(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.25	Lileyite	Ba₂(Na,Fe,Ca)₃MgTi₂(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
9.BE.25	Emmerichite	Ba₂Na(Na,Fe²⁺)₂(Fe³⁺,Mg)Ti₂(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
9.BE.25	Saamite	Ba◻Na₃Ti₂Nb(Si₂O₇)₂O₂(OH)F(H₂O)₂	Tric. 1 : P1
9.BE.25	Fluorlamprophyllite	Na₃(SrNa)Ti₃(Si₂O₇)₂O₂F₂	Mon. 2/m : B2/m
9.BE.25	Fluorbarytolamprophyllite	(Ba,Sr)₂[(Na,Fe²⁺)₃(Ti,Mg)F₂][Ti₂(Si₂O₇)₂O₂]	Mon. 2/m : B2/m
9.BE.27	Murmanite	Na₂Ti₂(Si₂O₇)O₂ · 2H₂O	Tric. 1 : P1
9.BE.27	Vigrishinite	NaZnTi₄(Si₂O₇)₂O₃(OH)(H₂O)₄	Tric. 1 : P1
9.BE.27	Kolskyite	CaNa₂Ti₄(Si₂O₇)₂O₄(H₂O)₇	Tric. 1 : P1
9.BE.27	Selivanovaite	NaFe³⁺Ti₄(Si₂O₇)₂O₄(H₂O)₄	Tric. 1 : P1
9.BE.30	Epistolite	(Na◻)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄	Tric. 1 : P1
9.BE.32	Lomonosovite	Na₅Ti₂(Si₂O₇)(PO₄)O₂	Tric. 1 : P1
9.BE.35	Vuonnemite	Na₁₁Ti⁴⁺Nb₂(Si₂O₇)₂(PO₄)₂O₃(F,OH)	Tric.
9.BE.37	Sobolevite	Na₁₃Ca₂Mn₂Ti₃(Si₂O₇)₂(PO₄)₄O₃F₃	Mon. m : Pb
9.BE.40	Innelite	Ba₄Ti₂Na(NaMn²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)]	Tric. 1 : P1
9.BE.40	Phosphoinnelite	Na₃Ba₄Ti₃(Si₂O₇)₂(PO₄,SO₄)₂O₂F	Tric.
9.BE.42	Yoshimuraite	Ba₂Mn₂Ti(Si₂O₇)(PO₄)O(OH)	Tric. 1 : P1
9.BE.45	Quadruphite	Na₆Na₂(CaNa)₂Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₄O₄F₂	Tric. 1 : P1
9.BE.47	Polyphite	Na₅(Na₄Ca₂)Ti₂(Si₂O₇)(PO₄)₃O₂F₂	Tric. 1 : P1
9.BE.50	Bornemanite	Na₆BaTi₂Nb(Si₂O₇)₂(PO₄)O₂(OH)F	Tric. 1 : P1
9.BE.50	Shkatulkalite	Na₂Nb₂Na₃Ti(Si₂O₇)₂O₂(FO)(H₂O)₄(H₂O)₃	Tric. 1 : P1
9.BE.55	Bafertisite	Ba₂Fe²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂	Tric.
9.BE.55	Hejtmanite	Ba₂Mn²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂	Tric. 1
9.BE.55	Bykovaite	(Ba,Na,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(H₂O,F,OH)₂ · 3.5H₂O	Mon. 2/m
9.BE.55	Nechelyustovite	(Ba,Sr,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(O,H₂O,F)₂ · 4.5H₂O	Mon. 2/m : B2/m
9.BE.60	Delindeite	(Na,K)₂(Ba,Ca)₂(Ti,Fe,Al)₃(Si₂O₇)₂O₂(OH)₂ · 2H₂O	Mon. 2/m : B2/m
9.BE.62	Orthochevkinite	(Ce,La,Ca,Na,Th)₄(Fe²⁺,Mg)₂(Ti,Fe³⁺)₃Si₄O₂₂	Orth.
9.BE.62 va	Strontium Perrierite	(Ce,Sr,La,Ca)₄Fe²⁺(Ti,Zr,Fe)₂Ti₂(Si₂O₇)₂O₈
9.BE.62	Chevkinite-(Nd)	(Nd,REE)₄(Fe²⁺,Mg)(Fe²⁺,Ti,Fe³⁺)₂(Ti,Fe³⁺)₂(Si₂O₇)₂O₈ ?
9.BE.62	Perrierite-(Nd)	Nd₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈ ?
9.BE.65	Bussenite	Na₂Ba₂Fe²⁺Ti(Si₂O₇)(CO₃)(OH)₃F	Tric. 1 : P1
9.BE.67	Jinshajiangite	BaNaFe²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F	Tric. 1 : P1
9.BE.67	Perraultite	BaNaMn²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F	Tric. 1
9.BE.70	Karnasurtite-(Ce)	(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si₂O₇)(OH)₄ · 3H₂O	Amor.
9.BE.70	Perrierite-(Ce)	Ce₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂	Mon. 2/m : P2₁/b
9.BE.70	Polyakovite-(Ce)	(Ce,Ca)₄(Mg,Fe²⁺)(Cr³⁺,Fe³⁺)₂(Ti,Nb)₂(Si₂O₇)₂O₈	Mon. 2/m : B2/m
9.BE.70	Rengeite	Sr₄ZrTi₄(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Matsubaraite	Sr₄Ti₅(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Dingdaohengite-(Ce)	(Ce,La)₄Fe²⁺(Ti,Fe²⁺,Mg,Fe²⁺)₂Ti₂(Si₂O₇)₂O₈	Mon. 2/m : P2₁/b
9.BE.70	Maoniupingite-(Ce)	(Ce,Ca)₄(Fe³⁺,Ti,Fe²⁺,◻)(Ti,Fe³⁺,Fe²⁺,Nb)₄(Si₂O₇)₂O₈	Mon. 2/m : B2/m
9.BE.70	Perrierite-(La)	(La,Ce,Ca)₄(Fe²⁺,Mn)(Ti,Fe³⁺,Al)₄[(Si₂O₇)O₄]₂	Mon. 2/m : P2₁/b
9.BE.70	UM2008-53-SiO:SrTiZr	Sr₄ZrTi₄(Si₂O₇)₂O₈	Orth. mmm (2/m 2/m 2/m) : Pbca
9.BE.70	Hezuolinite	(Sr,REE)₄Zr(Ti,Fe³⁺)₄(Si₂O₇)₂O₈	Mon. 2/m : B2/m
9.BE.72	Fersmanite	Ca₄(Na,Ca)₄(Ti,Nb)₄(Si₂O₇)₂O₈F₃	Tric.
9.BE.75	Belkovite	Ba₃(Nb,Ti)₆(Si₂O₇)₂O₁₂	Hex. 6 m2 : P6₂m
9.BE.77	Nasonite	Pb₆Ca₄(Si₂O₇)₃Cl₂	Hex. 6/m : P6₃/m
9.BE.80	Kentrolite	Pb₂Mn³⁺₂(Si₂O₇)O₂	Orth. mmm (2/m 2/m 2/m) : Pbcm
9.BE.80	Melanotekite	Pb₂Fe³⁺₂(Si₂O₇)O₂	Orth. 2 2 2 : C2 2 2₁
9.BE.82	Tilleyite	Ca₅(Si₂O₇)(CO₃)₂	Mon. 2/m : P2₁/b
9.BE.82	Alexkuznetsovite-(La)	La₂Mn(CO₃)(Si₂O₇)	Mon. 2/m : P2₁/b
9.BE.85	Killalaite	Ca_6.4(H_0.6Si₂O₇)₂(OH)₂	Mon. 2/m : P2₁/m
9.BE.87	Stavelotite-(La)	(La,Nd,Ca)₃Mn²⁺₃Cu(Mn³⁺,Fe³⁺,Mn⁴⁺)₂₆(Si₂O₇)₆O₃₀	Trig. 3 : P3₁
9.BE.90	Biraite-(Ce)	Ce₂Fe²⁺(Si₂O₇)(CO₃)	Mon. 2/m : P2₁/b
9.BE.90	Magnesiorowlandite-(Y)	Y₄(Mg,Fe)(Si₂O₇)₂F₂	Tric. 1 : P1
9.BE.92	Cervandonite-(Ce)	(Ce,Nd,La)(Fe³⁺,Fe²⁺,Ti,Al)₃O₂(Si₂O₇)(As³⁺O₃)(OH)	Trig. 3m : R3m
9.BE.92	Chirvinskyite	(Na,Ca)₁₃(Fe,Mn,◻)₂(Ti,Zr)₅(Si₂O₇)₄(OH,O)₁₂ · 2H₂O	Tric. 1 : P1
9.BE.95	Batisivite	BaV³⁺₈Ti₆(Si₂O₇)O₂₂	Tric. 1 : P1
9.BE.95	Rusinovite	Ca₁₀(Si₂O₇)₃Cl₂	Orth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.97	Schlüterite-(Y)	(Y,REE)₂AlSi₂O₇(OH)₂F	Mon. 2/m : P2₁/b

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References for NiocaliteHide

Reference List:

Nickel, E.H. (1956) Niocalite - a new calcium niobium mineral. American Mineralogist 41, 785-786.

Nickel, E. H., Rowland, J. F., Maxwell, J. A. (1958) The composition and crystallography of niocalite. The Canadian Mineralogist, 6 (2) 264-272

Mellini, M. (1982) Niocalite revised: Twinning and crystal structure. Tschermaks Mineralogische und Petrographische Mitteilungen, 30, 249-266.

Mitchell, R.H., Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799.

(2023) Niocalite. Handbook of Mineralogy. Mineralogical Society of America

Localities for NiocaliteHide

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 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.


Canada (TL)
Québec Laurentides Deux-Montagnes RCM Oka ⓘ Bond zone (TL)	Nickel (1956) +1 other reference
ⓘ Dufresne Hill	SABINA (1968)
ⓘ St Lawrence Columbium Mine	Jeffrey de Fourestier collection
ⓘ Oka complex	Amer.Min. (1956) +1 other reference

Egypt
Red Sea Governorate ⓘ Mansouri Pluton	El Ramly +4 other references

Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Vogtsburg im Kaiserstuhl Oberbergen ⓘ Badloch Quarry	Keller et al. (1995)

Spain
Canary Islands Las Palmas Province ⓘ Fuerteventura	Coello et al. (92) +10 other references
ⓘ Fuerteventura Basal Complex	Casillas et al. (2011)
Santa Cruz de Tenerife Province Tenerife ⓘ Alcala	Dill et al. (2023)
ⓘ Barranco Hondo	Dill et al. (2023)
ⓘ La Mareta	Dill et al. (2023)
ⓘ Mount Pelada	Dill et al. (2023)
ⓘ Poris de Abona	Dill et al. (2023)

Tanzania
Arusha region Ngorongoro District ⓘ Ol Doinyo Lengai	Mitchell et al. (2004) +1 other reference

Niocalite

About NiocaliteHide

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