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Heflikite

A valid IMA mineral species
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09640310017708306901382.jpg
Heflikite, etc.

Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
03595640017708306911658.jpg
Heflikite, etc.

Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
08157930017730848597706.jpg
Heflikite, etc.

Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
06973630017708172653047.jpg
Heflikite, etc.

Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
04470080017708171839484.jpg
Heflikite, etc.

Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
07631830017707636218195.jpg
Heflikite, etc.

Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
09640310017708306901382.jpg
Heflikite, etc.

Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
03595640017708306911658.jpg
Heflikite, etc.

Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
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About HeflikiteHide

06799780017272473463089.jpg
Wiesław Heflik
Formula:
(CaCa)(AlAlSc)O[Si2O7][SiO4](OH)
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
3.537 (Calculated)
Crystal System:
Monoclinic
Name:
Mineral honours Wiesław Heflik (January 21, 1932 in Poręba near Zawiercie - ), an Emeritus Professor at the Faculty of Geology, Geophysics, and Environmental Protection, AGH University of Science and Technology in Kraków, Poland, for his significant contribution to Polish mineralogy, gemology, and petrology.
The first scandium-dominant member of the supergroup.

Requires microprobe analysis to confirm the species. Buyers should be cautious when purchasing a specimen without such analysis.


Unique IdentifiersHide

Mindat ID:
470696
Long-form identifier:
mindat:1:1:470696:6

IMA Classification of HeflikiteHide

Classification of HeflikiteHide

Strunz-mindat (2026):
9.BG.

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination

Mineral SymbolsHide

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

SymbolSourceReference for Standard
HfkIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of HeflikiteHide

Lustre:
Vitreous
Streak:
White
Hardness:
6 on Mohs scale
Comment:
by analogy to other epidote group minerals
Density:
3.537 g/cm3 (Calculated)

Optical Data of HeflikiteHide

Type:
Biaxial
Comments:
Mean refractive index is 1.727

Chemistry of HeflikiteHide

Mindat Formula:
(CaCa)(AlAlSc)O[Si2O7][SiO4](OH)
Element Weights:
Element% weight
O44.035 %
Si17.838 %
Ca16.970 %
Al11.425 %
Sc9.518 %
H0.213 %

Calculated from ideal end-member formula.
O
Si
Ca
Al
Sc
H
Elements listed:
Al, Ca, H, O, Sc, Si - search for minerals with similar chemistry

Chemical AnalysisHide

Oxide wt%:
 12
SiO235.69 %34.92 %
TiO20.22 %0.44 %
Al2O21.98 %
Sc2O36.12 %4.79 %
V2O30.07 %
Fe2O31.10 %1.96 %
Y2O30.11 %
La2O31.55 %2.55 %
Ce2O34.05 %7.39 %
Pr2O30.31 %0.48 %
Nd2O31.53 %0.67 %
Sm2O30.40 %
EuO0.11 %
Gd2O30.56 %0.61 %
MnO0.14 %0.13 %
FeO3.56 %5.97 %
MgO0.16 %
CaO19.16 %17.66 %
SnO20.82 %
Al2O319.13 %
Eu2O30.12 %
H2O(+)1.73 %
Total:96.82 %99.37 %
Empirical formulas:
Sample IDEmpirical Formula
1(Ca1.73Ce0.13La0.05Nd0.05Gd0.02Sm0.01Pr0.01Y0.01Eu2+0.003)Σ1.99[(Al2.18Sc0.45Fe3+0.07V3+0.01)Σ2.71(Fe2+0.25Mg0.02Mn0.01)Σ0.28Ti0.01]Σ3.00(Si3.006O11)O(OH)11)O(OH)
2(Ca1.64Ce0.24La0.08Nd0.02Gd0.02Pr0.02Eu2+0.004)Σ1.02[(Al1.96Sc0.36Fe3+0.13)E2.45(Fe2+0.43Mn0.01)Σ0.44(Ti0.03Sn4+0.03)Σ0.06]Σ2.95(Si3.03O11)O(OH)
Sample references:
IDLocalityReferenceNotes
1
Pieczka, Adam, Kristiansen, Roy, Stachowicz, Marcin, Dumańska-Słowik, Magdalena, Gołębiowska, Bożena, Sęk, Mateusz P., Nejbert, Krzysztof, Kotowski, Jakub, Marciniak-Maliszewska, Beata, Szuszkiewicz, Adam, et al. (2024) Heflikite, ideally Ca2(Al2Sc)(Si2O7)(SiO4)O(OH), the first scandium epidote-supergroup mineral from Jordanów Śląski, Lower Silesia, Poland and from Heftetjern, Tørdal, Norway. Mineralogical Magazine, 88 (3). 228-243 doi:10.1180/mgm.2023.98
holotype; water content is calculated
2Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
Pieczka, Adam, Kristiansen, Roy, Stachowicz, Marcin, Dumańska-Słowik, Magdalena, Gołębiowska, Bożena, Sęk, Mateusz P., Nejbert, Krzysztof, Kotowski, Jakub, Marciniak-Maliszewska, Beata, Szuszkiewicz, Adam, et al. (2024) Heflikite, ideally Ca2(Al2Sc)(Si2O7)(SiO4)O(OH), the first scandium epidote-supergroup mineral from Jordanów Śląski, Lower Silesia, Poland and from Heftetjern, Tørdal, Norway. Mineralogical Magazine, 88 (3). 228-243 doi:10.1180/mgm.2023.98
cotype; water content is calculated

Crystallography of HeflikiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 8.9383(9) Å, b = 5.6830(5) Å, c = 10.190(1) Å
β = 115.4(1)°
Ratio:
a:b:c = 1.573 : 1 : 1.793
Unit Cell V:
467.58 ų (Calculated from Unit Cell)
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.513 Å(41)
2.933 Å(19)
2.913 Å(100)
2.841 Å(41)
2.706 Å(31)
2.681 Å(23)
2.617 Å(46)
2.412 Å(22)
Comments:
Calculated

Geological EnvironmentHide

Geological Setting:
Granitic pegmatite

Type Occurrence of HeflikiteHide

Co-Type Localities:
ⓘ Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
ⓘ Jordanów nephrite quarry, Gmina Jordanów Śląski, Wrocław County, Lower Silesian Voivodeship, Poland
General Appearance of Type Material:
A few compositionally zoned euhedral to subhedral separate crystals and intergrowths with REE-bearing clinozoisite and allanite-(Ce), reaching maximum 100 μm in size. (Poland)
The epidote-supergroup minerals from the locality form grey, green, and brown well-developed transparent crystals and fan- or sheaf-like polycrystalline aggregates up to 10 mm large. Crystals examined show complex compositional zoning under SEM-EDS examination, reaching the heflikite composition only in some small domains. (Norway)
Place of Conservation of Type Material:
collections of the Mineralogical Museum, University of Wrocław, Cybulskiego 30, 50-205 Wrocław, Poland, catalogue number MMUWr IV8120 (holotype), and the Natural History Museum, University of Oslo, Box 1172, Blindern, Oslo, Norway, catalogue number KNR 44407 (cotype)
Geological Setting of Type Material:
granitic pegmatite associated with rodingite-like
calc-silicate rocks and metasomatised granitic bodies exposed in a serpentinite quarry.
Late-stage hydrothermal crystallisation of the Sc-enriched granitic pegmatite.
Associated Minerals at Type Locality:
Allanite-(Ce)Allanite-(La)ClinozoisiteHingganite-(Y)
Reference:
Pieczka, Adam, Kristiansen, Roy, Stachowicz, Marcin, Dumańska-Słowik, Magdalena, Gołębiowska, Bożena, Sęk, Mateusz P., Nejbert, Krzysztof, Kotowski, Jakub, Marciniak-Maliszewska, Beata, Szuszkiewicz, Adam, et al. (2024) Heflikite, ideally Ca2(Al2Sc)(Si2O7)(SiO4)O(OH), the first scandium epidote-supergroup mineral from Jordanów Śląski, Lower Silesia, Poland and from Heftetjern, Tørdal, Norway. Mineralogical Magazine, 88 (3). 228-243 doi:10.1180/mgm.2023.98

Synonyms of HeflikiteHide

Other Language Names for HeflikiteHide

Dutch:Heflikiet
German:Heflikit

Relationship of Heflikite to other SpeciesHide

Member of:
Epidote Group > Epidote Supergroup
Other Members of Epidote Group:
Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Epidote-(Sr)(CaSr)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Hancockite(CaPb)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)Mon.
Niigataite(CaSr)(AlAlAl)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Piemontite-(Pb)(CaPb)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Piemontite-(Sr)(CaSr)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
Tweddillite(CaSr)(Mn3+AlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
'Unnamed (Fe3+ analogue of Piemontite-(Pb))'(CaPb)(Fe3+AlMn3+)O[Si2O7][SiO4](OH)
'Unnamed (Fe3+-analogue of Piemontite)'(CaCa)(Fe3+AlMn3+)O[Si2O7][SiO4](OH)
'Unnamed (Fe3+-analogue of Piemontite-(Sr))'(CaSr)(Fe3+AlMn3+)O[Si2O7][SiO4](OH)
'Unnamed (Ga-analogue of Epidote)'(CaCa)(AlAlGa3+)O[Si2O7][SiO4](OH)

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Heflikite associated with K Feldspar
2 photos of Heflikite associated with Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
2 photos of Heflikite associated with QuartzSiO2
2 photos of Heflikite associated with Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
1 photo of Heflikite associated with Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
1 photo of Heflikite associated with Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
1 photo of Heflikite associated with ClinochloreMg5Al(AlSi3O10)(OH)8

Related Minerals - Strunz-mindat GroupingHide

9.BG.AlumovesuvianiteCa19AlAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/m : P4/n
9.BG.Alnaperbøeite-(Ce)Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/m
9.BG.Zilbermintsite-(La)(CaLa5)(Fe3+Al3Fe2+)[Si2O7][SiO4]5O(OH)3Mon. 2/m : P21/m
9.BG.MagnesiovesuvianiteCa19MgAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m : P4/n
9.BG.Zoisite-(Pb)(CaPb)(AlAlAl)O[Si2O7][SiO4](OH)Orth. mmm(2/m2/m2/m) : Pnma
9.BG.Shuiskite-(Cr)Ca2Cr3+Cr3+2[Si2O6OH][SiO4](OH)2OMon. 2/m : B2/m
9.BG.Radekškodaite Group
9.BG.05Dissakisite-(La)(CaLa)(AlAlMg)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Manganiandrosite-(Ce)(Mn2+Ce)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bDissakisite-(Ce)(CaCe)(AlAlMg)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Sm)(CaSm)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05aHancockite(CaPb)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05a v'Unnamed (Ga-analogue of Epidote)'(CaCa)(AlAlGa3+)O[Si2O7][SiO4](OH)
9.BG.05aClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05aEpidote-(Sr)(CaSr)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Vanadoandrosite-(Ce)(Mn2+Ce)(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bVanadoallanite-(La)(CaLa)(V3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05b'Unnamed (Mg-analogue of Ferriallanite-(Ce))'(CaCe)(Fe3+AlMg)O[Si2O7][SiO4](OH)
9.BG.05bFerriallanite-(La)(CaLa)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Uedaite-(Ce)(Mn2+Ce)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05aEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Tweddillite(CaSr)(Mn3+AlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bÅskagenite-(Nd)(Mn2+Nd)(AlAlFe3+)O[Si2O7][SiO4]OMon. 2/m : P21/m
9.BG.05Piemontite-(Pb)(CaPb)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05aPiemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bAkasakaite-(Ce)(CaCe)(AlAlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bManganiandrosite-(La)(Mn2+La)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bAkasakaite-(La)(CaLa)(AlAlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bVanadoakasakaite-(La)(CaLa)(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Khristovite-(Ce)(CaCe)(MgAlMn2+)F[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bFerriakasakaite-(La)(CaLa)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Ferriandrosite-(La)(Mn2+La)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05'Androsite-(Ce)'(Mn2+Ce)(AlAlMn2+)O[Si2O7][SiO4](OH)
9.BG.05Vielleaureite-(Ce)Mn2+Ce(MgAlMn2+)(Si2O7)(SiO4)F(OH)Mon. 2/m : P21/m
9.BG.05Ferriandrosite-(Ce)(Mn2+Ce)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bFerriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05b'Unnamed (Mn3+-analogue of Ferriakasakaite-(Ce))'(CaCe)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)
9.BG.05bVanadoakasakaite-(Ce)(CaCe)(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Piemontite-(Sr)(CaSr)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05Niigataite(CaSr)(AlAlAl)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bFerriakasakaite-(Ce)(CaCe)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05bVanadoandrosite-(La)Mn2+La(V3+AlMn2+)(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Nd)(CaNd)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.05b'UM1989-32-SiO:AlCaFeHREE'(Ca0.5◻0.5REE)(AlAlFe3+)O[Si2O7][SiO4](OH)
9.BG.05aMukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)Mon.
9.BG.05bManganiakasakaite-(La)(CaLa)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m : P21/m
9.BG.10Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)Orth. mmm(2/m2/m2/m) : Pnma
9.BG.15MacfalliteCa2Mn3+3(SiO4)(Si2O7)(OH)3Mon. 2/m : P21/m
9.BG.15SursassiteMn2+2Al3(SiO4)(Si2O7)(OH)3Mon. 2/m : P21/m
9.BG.20Pumpellyite-(Al)Ca2AlAl2[Si2O6OH][SiO4](OH)2OMon. 2/m
9.BG.20Shuiskite-(Mg)Ca2MgCr3+2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m
9.BG.20Julgoldite-(Fe2+)Ca2Fe2+Fe3+2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m
9.BG.20OkhotskiteCa2Mn2+Mn3+2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m
9.BG.20Julgoldite-(Mg)Ca2MgFe3+2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20PoppiiteCa2V3+V3+2[Si2O6OH][SiO4](OH)2OMon. 2/m : B2/m
9.BG.20Julgoldite-(Fe3+)Ca2Fe3+Fe3+2[Si2O6OH][SiO4](OH)2OMon.
9.BG.20Pumpellyite-(Fe2+)Ca2Fe2+Al2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m
9.BG.20Pumpellyite-(Fe3+)Ca2Fe3+Al2[Si2O6OH][SiO4](OH)2OMon. 2/m
9.BG.20Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m
9.BG.20Pumpellyite-(Mn2+)Ca2Mn2+Al2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m
9.BG.25GanomalitePb9Ca5Mn(Si2O7)4(SiO4)OHex. 6 : P6
9.BG.25WayneburnhamitePb9Ca6(Si2O7)3(SiO4)3Hex. 6 : P6
9.BG.30RustumiteCa10(Si2O7)2(SiO4)(OH)2Cl2Mon. 2/m : B2/b
9.BG.35ModraiteCa19Fe2+Al4(Al6Fe2+2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35FluorvesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(F,OH)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35Milanriederite(Ca18[REE])Fe3+Al4(Mg4Al4)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35Manaevite-(Ce)(Ca13Ce4[H2O]2)Mg(Al3Mg)(Mg3Ti3Fe3+2)(◻4)◻[Si2O7]4[(SiO4)8(H4O4)2]O(OH)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35HongheiteCa19Fe2+Al4(Fe3+,Mg)8(◻4)B[Si2O7]4[(SiO4)10]O(OH,O)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35WiluiteCa19MgAl4(Al,Mg)8(B,◻)4◻[Si2O7]4[(SiO4)10]O(O,OH)9Tet. 4/mmm(4/m2/m2/m) : P4/nnc
9.BG.35CyprineCa19Cu2+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m : P4/n
9.BG.35ManganvesuvianiteCa19Mn3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/m : P4/n
9.BG.40Vyuntspakhkite-(Y)(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7Mon. 2/m : P21/c
9.BG.45DellaiteCa6Si3O11(OH)2Tric.
9.BG.50Ferriperbøeite-(Ce)CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/m
9.BG.50Perbøeite-(La)CaLa3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2 Mon. 2/m : P21/m
9.BG.50Perbøeite-(Ce)CaCe3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2 Mon. 2/m : P21/m
9.BG.50Gatelite-(Ce)CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/c
9.BG.50Ferriperbøeite-(La) CaLa3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/m
9.BG.55Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2Mon. 2/m : P21/m
9.BG.60Radekškodaite-(La) (CaLa5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3Mon. 2/m : P21/m
9.BG.60Radekškodaite-(Ce)(CaCe5)(Al4Fe2+)[Si2O7][SiO4]5O(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.

Internet Links for HeflikiteHide

References for HeflikiteHide

Localities for HeflikiteHide

Showing 3 localities.

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.
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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.
Norway (TL)
 
  • Telemark
    • Drangedal
      • Tørdal
Pieczka et al. (2024) +2 other references
Poland
 
  • Lower Silesian Voivodeship
    • Wrocław County
      • Gmina Jordanów Śląski
Pieczka et al. (2026)
Bosi et al. (2023) +1 other reference
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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