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Lovdarite

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About LovdariteHide

Formula:
K2Na6Be4Si14O36 · 9H2O
Colour:
colorless, white, yellowish
Lustre:
Vitreous
Hardness:
5 - 6
Specific Gravity:
2.33
Crystal System:
Orthorhombic
Member of:
Name:
Named by Y.P. Men'shikov, A.P. Denisov, Y.I. Uspenskaya, and E.A. Lipatova in 1973. The name derives from the Russian 'dar Lovozera', meaning 'a gift from Lovozero', Lovozero being the type locality.
This page provides mineralogical data about Lovdarite.


Classification of LovdariteHide

Approved
First Published:
1973
9.GF.15

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
F : Other Rare Zeolites
78.6.2.1

78 : Unclassified Silicates
6 :
16.6.6

16 : Silicates Containing Aluminum and other Metals
6 : Aluminosilicates of Be

Physical Properties of LovdariteHide

Vitreous
Transparency:
Transparent
Colour:
colorless, white, yellowish
Hardness:
5 - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Distinct along (100), (010) and (001) and weak along (110).
Density:
2.33 g/cm3 (Measured)    

Optical Data of LovdariteHide

Type:
Biaxial (+)
RI values:
nα = 1.513 nβ = 1.516 nγ = 1.518
2V:
Measured: 90° , Calculated: 78°
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
strong

Chemical Properties of LovdariteHide

Formula:
K2Na6Be4Si14O36 · 9H2O
Common Impurities:
Ti,Al,Fe,Mn,Mg,Ca,Ba,F,P

Crystallography of LovdariteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 39.57 Å, b = 6.93 Å, c = 7.15 Å
Ratio:
a:b:c = 5.71 : 1 : 1.032
Unit Cell V:
1,960.67 ų (Calculated from Unit Cell)
Comment:
Space group Pma2. Distinct domains and various degrees of structural disorder are present (Merlino 1990).

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.56 (60)
4.96 (90)
3.29 (100)
3.14 (100)
2.447 (60)
2.288 (60)
1.785 (50)

Type Occurrence of LovdariteHide

Place of Conservation of Type Material:
National School of Mines, Paris, France.
Geology Museum, Kola Branch, Academy of Sciences, Apatity, 3208.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
Alkaline pegmatite.
Associated Minerals at Type Locality:
Reference:
Men'shikov, Y.P., Denisov, A.P., Uspenskaya, Y.I., Lipatova, E.A. (1973) Lovdarite, a new hydrous alkali-beryllium silicate. Doklady Akademii Nauk SSSR: 213: 130-133.

Other Language Names for LovdariteHide

German:Lovdarit
Simplified Chinese:铍硅钠石
Spanish:Lovdarita
Traditional Chinese:鈹矽鈉石

Relationship of Lovdarite to other SpeciesHide

Member of:
Other Members of this group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2OMon. 2 : P21
AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
Ammonioleucite(NH4,K)(AlSi2O6)Tet.
AnalcimeNa(AlSi2O6) · H2OTric. 1 : P1
Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2OOrth. mmm (2/m 2/m 2/m)
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.
BikitaiteLiAlSi2O6 · H2OTric. 1 : P1
BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2OMon. 2/m : P21/m
Brewsterite-Sr(Sr,Ba,Ca)[Al2Si6O16] · 5H2O
Chabazite-Levyne SubgroupA subgroup of the Zeolite Group.
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
ClinoptiloliteNote on the distinguishing differences between clinoptilolite and heulandite (hhttp://rruff.
CowlesiteCaAl2Si3O10 · 6H2OOrth.
Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2OMon.
Dachiardite-KK4(Si20Al4O48)·13H2OMon.
Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2OMon.
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
EdingtoniteBa[Al2Si3O10] · 4H2O
EpistilbiteCaAl2Si6O16 · 5H2OMon.
ErioniteThis name now refers to a group of related minerals.
FaujasiteA subgroup of the Zeolite Group.
FerrieriteZeolite Group.
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2OMon. 2/m : P21/b
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2OTric. 1 : P1
Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
GaultiteNa4Zn2Si7O18 · 5H2OOrth. mm2 : Fdd2
Gismondine-BaBa2Al4Si4O16 · 4-6H2O
Gismondine-CaCaAl2Si2O8 · 4H2O
GmeliniteIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth.
Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2OMon. 2/m : P21/m
HeulanditeNote on the distinguishing differences between heulandite and clinoptilolite (http://rruff.
HsianghualiteCa3Li2(Be3Si3O12)F2
KirchhoffiteCs(BSi2O6)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex.
Mazzite-NaNa8[Al4Si14O36]2 · 30H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2OOrth.
Montesommaite(K,Na)9Al9Si23O64 · 10H2OOrth.
Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2OOrth.
MutinaiteNa3Ca4Si85Al11O192 · 60H2OOrth.
NabesiteNa2BeSi4O10 · 4H2OOrth. 2 2 2 : P21 21 21
Natrolite SubgroupA subgroup of the Zeolite Group.
OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
ParthéiteCa2(Si4Al4) O15 (OH)2•4H2OMon. 2/m : B2/b
Paulingite-Ca(Ca,K,Na,Ba,◻)10 (Si, Al)42O84•34H2OIso.
Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2OIso.
Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2OIso.
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex.
PhillipsiteZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2OIso. m3m (4/m 3 2/m) : Ia3d
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.
StelleriteCa4(Si28Al8)O72 · 28H2OOrth. mmm (2/m 2/m 2/m) : Fmmm
Stilbite-CaNaCa4[Al9Si27O72] · nH2OMon. 2/m : B2/m
Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2OMon. 2/m : B2/m
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2OOrth.
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2OOrth. mmm (2/m 2/m 2/m)
Thomsonite-SrNa(Sr,Ca)2[Al5Si5O20] · 7H2OOrth. mmm (2/m 2/m 2/m)
Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2OMon.
Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
WillhendersoniteKCa[Al3Si3O12] · 5H2OTric.
YugawaraliteCaAl2Si6O16 · 4H2OMon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Aegirine1 photo of Lovdarite associated with Aegirine on mindat.org.
Albite1 photo of Lovdarite associated with Albite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.GF.05Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2OOrth.
9.GF.10GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth.
9.GF.20GaultiteNa4Zn2Si7O18 · 5H2OOrth. mm2 : Fdd2
9.GF.25ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
9.GF.30Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
9.GF.35MutinaiteNa3Ca4Si85Al11O192 · 60H2OOrth.
9.GF.40TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
9.GF.50Thornasite(Na,K)12Th3[Si8O19]4 · 18H2OTrig. 3m : R3m
9.GF.55DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2OOrth. mmm (2/m 2/m 2/m) : Pmmn

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.6.1BerylBe3Al2(Si6O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
16.6.2EuclaseBeAl(SiO4)(OH)Mon. 2/m : P21/b
16.6.3BaveniteCa4Be2Al2Si9O26(OH)2Orth. mm2
16.6.4AminoffiteCa2(Be,Al)(Si2O7)(H2O,OH)Tet.
16.6.5MilariteK2Ca4Al2Be4Si24O60 · H2OHex. 6/mmm (6/m 2/m 2/m) : P6/mcc
16.6.7Surinamite(Mg,Fe)3Al4BeSi3O16Mon.
16.6.8Ferrotaaffeite-6N'3S(Be,Zn,Mg)FeAl4O8Trig.

Other InformationHide

Notes:
Readily melting in the blowpipe to a colorless glass.
Insoluble in 4% HCl, 6% HNO3, and 5% H2SO4, at 20 C.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for LovdariteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Men'shikov, Y.P., Denisov, A.P., Uspenskaya, Y.I., Lipatova, E.A. (1973) Lovdarit-novyy vodnyy berillo-silikat shchelochey. Doklady Akademii Nauk SSSR: 213(2): 429-432. (in Russian)
Men'shikov, Y.P., Denisov, A.P., Uspenskaya, Y.I., Lipatova, E.A. (1973) Lovdarite, a new hydrous alkali-beryllium silicate. Doklady Akademii Nauk SSSR: 213: 130-133. (in English)
Fleischer, M. (1974) New mineral names. American Mineralogist: 59: 873-875.
Khomyakov, A.P., Semenov, E.I., Bikova, A.V., Voronkov, A.A., Smol'yanikova, N.N. (1975) New data on lovdarite. Doklady Akad. Nauk SSSR, Earth Science Sections, 221, 154-157 (translated from Doklady Akad. Nauk SSSR, 221, 699-702).
Dunn, P.J., Fleischer, M., Burns, R.G., Pabst, A. (1983) New mineral names. American Mineralogist: 68: 471-475.
Merlino, S. (1990) Lovdarite, K4Na12(Be8Si28O72)·18H2O, a zeolite-like mineral: structural features and OD character. European Journal of Mineralogy: 2: 809-817.
Jambor, J.L., Grew, E.S. (1992) New mineral names. American Mineralogist: 77: 207-213.
Coombs, D.S., Alberti, A., Armbruster, T., Artioli, G., Colella, C., Galli, E., Grice, J.D., Liebau, F., Mandarino, J.A., Minato, H., Nickel, E.H., Passaglia, E., Peacor, D.R., Quartieri, S., Rinaldi, R., Ross, M., Sheppard, R.A., Tillmanns, E., Vezzalini, G. (1997) Recommended nomenclature for zeolite minerals: report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist: 35: 1571-1606.
Petersen, O.V., Niedermayr, G., Johnsen, O., Gault, R.A. and Brandstätter, F. (2002) Lovdarite from the Ilimaussaq alkaline complex. South Greenland. Neues Jahrbuch für Mineralogie, Monatshefte: 2002: 23-30.

Internet Links for LovdariteHide

Localities for LovdariteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Denmark
 
  • Greenland
    • Kujalleq
      • Narsaq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
Petersen, O.V., Niedermayr, G., Johnsen, O., Gault, R.A. and Brandstätter, F. (2002): Lovdarite from the Ilimaussaq alkaline complex. South Greenland. Neues Jahrb. Mineral. Monatsh. 2002, 23-30; Petersen, O.V., Giester, G., Brandstätter, F., Niedermayr, G. (2002): Nabesite, a new mineral species from the Ilimaussaq alkaline complex. Canadian Mineralogist. 40, 173-181.
Petersen, O.V., Niedermayr, G. Johnsen, O., Gault, R.A. & Brandstätter, F. (2002): Lovdarite from the Ilimaussaq alkaline complex, South Greenland. Neues Jahrbuch of Mineralogie, Monatshefte. 2002 (1), 23-30
Namibia
 
  • Khomas Region
    • Windhoek District
      • Aris
Blaß, G., Kolitsch, U., Tremmel, G., Esche, J. (2016): Neue Mineralienfunde aus den Phonolithbrüchen von Aris in Namibia. Mineralien-Welt 27 (4), 48-60 (in German); Kolitsch, U., Blaß, G., Jahn, S., Cámara, F., von Bezing, L., Wartha, R. R., Tremmel, G., Sturla, M., Cerea, P., Skebo, M. and Ciriotti, M. E. (2016): Aris - mineralogy of the famous alkaline phonolite. AMI - Associazione Micromineralogica Italiana, Cremona, Italy, 95 pp.
Russia (TL)
 
  • Northern Region
    • Murmanskaya Oblast'
      • Lovozero Massif
        • Karnasurt Mt
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
USA
 
  • New Mexico
    • Colfax Co.
      • Springer
        • Point of Rocks Mesa (Pecks Mesa)
DeMark, R. S. (1984): Minerals of Point of Rocks, New Mexico. Mineralogical Record: 15: 150-156.; DeMark, R. S. (1989): Micromounting in New Mexico. Mineralogical Record: 20: 64; Petersen, O.V., Niedermayr, G. Johnsen, O., Gault, R.A. & Brandstätter, F. (2002): Lovdarite from the Ilimaussaq alkaline complex, South Greenland. Neues Jahrbuch of Mineralogie, Monatshefte. 2002 (1), 23-30
Mineral and/or Locality  
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