Hundholmenite-(Y) (original) (raw)

A valid IMA mineral species

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About Hundholmenite-(Y)Hide

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Formula:

(Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48

Lustre:

Adamantine, Vitreous

Specific Gravity:

5.206 (Calculated)

Name:

After the type locality of Hundholmen, Tysfjord, Nordland County, Norway.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:29098:2

6463d708-670a-4cc2-8fcf-e989144b71b6

IMA Classification of Hundholmenite-(Y)Hide

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IMA Formula:

(Y,REE,Ca,Na)15(Al,Fe3+)CaxAs3+1-x(Si,As5+)Si6B3(O,F)48

Type description reference:

Classification of Hundholmenite-(Y)Hide

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9.AJ.35

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4

Mineral SymbolsHide

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

Symbol Source Reference
Hhm-Y 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 Hundholmenite-(Y)Hide

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Comment:

Colorless in thin fragments.

Fracture:

Irregular/Uneven, Sub-Conchoidal

Density:

5.206 g/cm3 (Calculated)

Comment:

Could not be measured due to inclusions of REE-bearing fluorite.

Optical Data of Hundholmenite-(Y)Hide

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RI values:

_n_ω = 1.758(5) _n_ε = 1.749(5)

δ = 0.009

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

Pleochroism:

Non-pleochroic

Chemistry of Hundholmenite-(Y)Hide

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Mindat Formula:

(Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48

Crystallography of Hundholmenite-(Y)Hide

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Class (H-M):

3_m_ - Ditrigonal Pyramidal

Cell Parameters:

a = 10.675(6) Å, c = 27.02(2) Å

Morphology:

Subhedral equant to tabular crystals up to 1 mm diameter.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0018904 Hundholmenite-(Y) Raade G, Johnsen O, Erambert M, Petersen O V (2007) Hundholmenite-(Y) from Norway - a new mineral species in the vicanite group: descriptive data and crystal structure Mineralogical Magazine 71 179-192 2007 Hundholmen, Tysfjord, Nordland County, Norway 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
4.38 Å (33)
3.114 Å (43)
3.095 Å (29)
2.972 Å (100)
2.947 Å (76)
2.924 Å (66)
2.681 Å (36)
1.978 Å (37)

Comments:

Hundholmen, Nordland, Norway. The data are from the type description.

Geological EnvironmentHide

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Type Occurrence of Hundholmenite-(Y)Hide

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General Appearance of Type Material:

Anhedral grains or subhedral crystals, equant to tabular in shape, up to 1 mm in size, forming aggregates up to 3 mm across. Embedded in massive REE-bearing fluorite.

Place of Conservation of Type Material:

Natural History Museum, University of Oslo, Norway, number 41590.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Reference:

Raade, G., Johnsen, O., Erambert, M., Petersen, O.V. (2007) Hundholmenite-(Y) from Norway – a new mineral species in the vicanite group: descriptive data and crystal structure. Mineralogical Magazine: 71: 179-192.

Synonyms of Hundholmenite-(Y)Hide

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Other Language Names for Hundholmenite-(Y)Hide

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Relationship of Hundholmenite-(Y) to other SpeciesHide

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Other Members of this group:

Arrheniusite-(Ce) CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 Trig. 3_m_ : R_3_m
Laptevite-(Ce) Ca6(Fe2+,Mn2+)Y3REE7(SiO4)3(PO4)(B3Si3O18)(BO3)F11 Trig. 3_m_ : R_3_m
Okanoganite-(Y) (Na,Ca)3(Y,Ce)12Si6B2O27F14 Trig. 3_m_ : R_3_m
Proshchenkoite-(Y) Ca(Y,REE,Ca,Na,Mn)15Fe2+(P,Si)Si6B3O34F14 Trig. 3_m_ : R_3_m
Vicanite-(Ce) (Ca,Ce,La,Th)15As5+(As3+0.5,Na0.5)Fe3+Si6B4O40F7 Trig. 3_m_ : R_3_m

Common AssociatesHide

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Associated Minerals Based on Photo Data:

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9.AJ. Hingganite-(Nd) Nd2◻Be2Si2O8(OH)2 Mon. 2/m : _P_21/b
9.AJ. Arrheniusite-(Ce) CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 Trig. 3_m_ : R_3_m
9.AJ.05 Grandidierite (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m )
9.AJ.05 Ominelite (Fe2+,Mg)(Al,Fe3+)3(SiO4)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m )
9.AJ.10 Dumortierite Al(Al2O)(Al2O)2(SiO4)3(BO3) Orth. m m m _(_2/_m_2/_m_2/m )
9.AJ.10 Holtite (Ta0.6◻0.4)Al6BSi3O18(O,OH)2.25 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
9.AJ.10 Magnesiodumortierite Mg(Al2OH)(Al2O)2(SiO4)3(BO3) Orth. m m m _(_2/_m_2/_m_2/m )
9.AJ.10 Nioboholtite (Nb0.6◻0.4)Al6BSi3O18 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m
9.AJ.10 Titanoholtite (Ti0.75◻0.25)Al6BSi3O18 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m
9.AJ.15 Garrelsite Ba3NaSi2B7O16(OH)4 Mon. 2/m : _B_2/b
9.AJ.20 Muromontite near Be2FeY2Si3O12
9.AJ.20 Datolite CaB(SiO4)(OH) Mon. 2/m : _P_21/b
9.AJ.20 Gadolinite-(Ce) (Ce,La,Nd,Y)2Fe2+Be2Si2O10 Mon. 2/m
9.AJ.20 Gadolinite-(Y) Y2Fe2+Be2Si2O10 Mon. 2/m : _P_21/b
9.AJ.20 Hingganite-(Ce) (Ce,REE)2(◻,Fe2+)Be2[SiO4]2(OH)2 Mon. 2/m : _P_21/b
9.AJ.20 Hingganite-(Y) (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 Mon. 2/m : _P_21/b
9.AJ.20 Hingganite-(Yb) (Yb,Y,REE)2◻Be2[SiO4]2(OH)2 Mon. 2/m : _P_21/b
9.AJ.20 Homilite Ca2(Fe2+,Mg)B2Si2O10 Mon. 2/m : _P_21/b
9.AJ.20 Melanocerite-(Ce) (Ce,Ca)5(SiO4,BO4)3(OH,O) Hex.
9.AJ.20 Minasgeraisite-(Y) (Ca2Y2)◻2(Be2B2)[SiO4]4(OH)4 Tric. 1 : _P_1
9.AJ.20 Calcybeborosilite-(Y) (Y,Ca)2(◻,Fe2+)(B,Be)2[SiO4]2(OH,O)2 Mon.
9.AJ.20 Gadolinite-(Nd) Nd2Fe2+Be2O2(SiO4)2 Mon. 2/m : _P_21/b
9.AJ.20 Unnamed (OH-analogue of Gadolinite-(Y)) (Y,Ca)2(Fe,◻)Be2Si2O8(OH,O)2 Mon. 2/m
9.AJ.25 Stillwellite-(Ce) (Ce,La,Ca)BSiO5 Trig. 3 : _P_31
9.AJ.30 Cappelenite-(Y) Ba(Y,Ce)6Si3B6O24F2 Trig. 3 : _P_3
9.AJ.35 Okanoganite-(Y) (Na,Ca)3(Y,Ce)12Si6B2O27F14 Trig. 3_m_ : R_3_m
9.AJ.35 Vicanite-(Ce) (Ca,Ce,La,Th)15As5+(As3+0.5,Na0.5)Fe3+Si6B4O40F7 Trig. 3_m_ : R_3_m
9.AJ.35 Proshchenkoite-(Y) Ca(Y,REE,Ca,Na,Mn)15Fe2+(P,Si)Si6B3O34F14 Trig. 3_m_ : R_3_m
9.AJ.35 Laptevite-(Ce) Ca6(Fe2+,Mn2+)Y3REE7(SiO4)3(PO4)(B3Si3O18)(BO3)F11 Trig. 3_m_ : R_3_m
9.AJ.40 Jadarite LiNaSiB3O7(OH) Mon. 2/m

Fluorescence of Hundholmenite-(Y)Hide

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Not fluorescent in LW or SW.

Other InformationHide

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Health Risks:

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

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References for Hundholmenite-(Y)Hide

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Localities for Hundholmenite-(Y)Hide

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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

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- 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.

Italy
Liguria Savona Province Magliolo Costa Balzi Rossi Bracco et al. (2012)
Norway
Nordland Hamarøy Drag Lapplægeret Øvre Lapplægeret Quarry Husdal (2008)
Lagmannsvik Raade (1993) +2 other references
Narvik Hundholmen (TL) Raade et al. (2007)
Stetind pegmatite Larsen (1990) +1 other reference