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Meliphanite

A valid IMA mineral species - grandfathered
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About MeliphaniteHide

Formula:
(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Colour:
yellow, yellowish red, nearly colourless
Lustre:
Vitreous
Hardness:
5 - 5½
Crystal System:
Tetragonal
Name:
Named for the colour (Mel- = Greek for honey and honey-yellow) and the chemical relation to leucophanite.
This page provides mineralogical data about Meliphanite.


Unique IdentifiersHide

Mindat ID:
2636
Long-form identifier:
mindat:1:1:2636:5
GUID
(UUID V4):
94a14447-a3e9-4af0-b6f8-49218dc6e429

IMA Classification of MeliphaniteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Ca4(Na,Ca)4Be4AlSi7O24(F,O)4
First published:
1852

Classification of MeliphaniteHide

9.DP.05

9 : SILICATES (Germanates)
D : Inosilicates
P : Transitional ino-phyllosilicate structures
55.4.2.5

55 : SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
4 : Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination
17.2.5

17 : Silicates Containing other Anions
2 : Silicates with fluoride

Mineral SymbolsHide

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

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

Physical Properties of MeliphaniteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
yellow, yellowish red, nearly colourless
Streak:
white
Hardness:
5 - 5½ on Mohs scale
Cleavage:
Perfect
Fracture:
Conchoidal

Optical Data of MeliphaniteHide

Type:
Uniaxial (-)
RI values:
nω = 1.611 - 1.664 nε = 1.592 - 1.672
Max Birefringence:
δ = 0.019
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemistry of MeliphaniteHide

Mindat Formula:
(Ca,Na)2(Be,Al)[Si2O6(OH,F)]
Common Impurities:
Mg,K,H2O

Crystallography of MeliphaniteHide

Crystal System:
Tetragonal
Class (H-M):
4 - Disphenoidal
Space Group:
I4
Cell Parameters:
a = 10.51 Å, c = 9.88 Å
Ratio:
a:c = 1 : 0.94
Unit Cell V:
1,091.35 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005779MeliphaniteGrice J D, Hawthorne F C (2002) New data on meliphanite, Ca4(Na,Ca)4Be4AlSi7O24(F,O)4 The Canadian Mineralogist 40 971-98020020293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.75 Å(100)
2.96 Å(50)
3.59 Å(40)
2.346 Å(40)
2.342 Å(40)
2.316 Å(40)
1.978 Å(40)
Comments:
Stokkø Island, Langesundsfjord, Norway. ICDD 31-304.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of MeliphaniteHide

Place of Conservation of Type Material:
Technische Universität, Bergakademie, Freiberg, Germany, number 26856 (type).

Synonyms of MeliphaniteHide

Other Language Names for MeliphaniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
9 photos of Meliphanite associated with MicroclineK(AlSi3O8)
8 photos of Meliphanite associated with FluoriteCaF2
6 photos of Meliphanite associated with BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
5 photos of Meliphanite associated with HomiliteCa2(Fe2+,Mg)B2Si2O10
4 photos of Meliphanite associated with SodaliteNa4(Si3Al3)O12Cl
3 photos of Meliphanite associated with QuartzSiO2
2 photos of Meliphanite associated with Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
2 photos of Meliphanite associated with NephelineNa3K(Al4Si4O16)
2 photos of Meliphanite associated with Pyrochlore GroupA2Nb2(O,OH)6Z
2 photos of Meliphanite associated with Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Related Minerals - Strunz-mindat GroupingHide

9.DP.FerriprehniteCa2Fe3+(Si3AlO10)(OH)2Orth. mm2 : Pma2
9.DP.15LeucospheniteBaNa4Ti2B2Si10O30Mon. 2/m : B2/m
9.DP.20PrehniteCa2Al2Si3O10(OH)2Orth. mm2
9.DP.25AmstalliteCaAl[(Al,Si)4O8(OH)2](OH)2 ¡ (H2O,Cl)Mon. 2/m : B2/b
9.DP.30KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2Orth. mmm (2/m 2/m 2/m)
9.DP.35Lemoynite(Na,K)2CaZr2Si10O26 ¡ 5H2OMon. 2/m : B2/b
9.DP.35NatrolemoyniteNa4Zr2Si10O26 ¡ 9H2OMon. 2/m : B2/m
9.DP.35Hogarthite(Na,K)2CaTi2Si10O26 ¡ 8H2OMon. 2/m : B2/m
9.DP.40AltisiteNa3K6Ti2Al2Si8O26Cl3Mon. 2/m : B2/m
9.DP.45Chiappinoite-(Y)Y2Mn(Si3O7)4Orth. mmm (2/m 2/m 2/m) : Ibam
9.DP.50EsquireiteBaSi6O13 ¡ 7H2OMon. 2 : B2

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 MeliphaniteHide

References for MeliphaniteHide

Localities for MeliphaniteHide

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.
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Druogno
        • Orcesco
Mattioli V. (1987)
      • Trontano
        • Pizzo Marcio
Appiani et al. (1995) +5 other references
Norway (TL)
 
Scheerer (1852)
  • Telemark
    • Porsgrunn
      • Auenlandet
        • SagĂĽsen
Engvoldsen et al. (1991)
Engvoldsen et al. (1991)
      • Bassebu
Peter Andresen collection +1 other reference
      • Langangen
Larsen et al. (1976)
Engvoldsen et al. (1991)
      • Slevolden
Engvoldsen et al. (1991)
  • Vestfold
    • Larvik
Brøgger (1890, January) +2 other references
Berg (1997)
      • Brunlanes
Oftedal (1964) +1 other reference
Tom Engvoldsen collection 1990 +1 other reference
      • Hedrum
        • LĂĽgendalen
Berge et al. (1981) +1 other reference
Andersen (1993)
Larsen et al. (2010)
      • Malerød
Andresen (2011)
Knut Edvard Larsen collection # 904 +1 other reference
Scheerer (1852)
Andersen et al. (1996)
Brøgger (1890, January) +1 other reference
Knut Eldjarn Collection
Larsen (1979)
      • Stokksund
Brøgger (1890, January)
      • Store Arøya (Arøy)
Brøgger (1890, January)
Åsheim et al. (1980)
      • Tjølling
        • HĂĽkestad
Engvoldsen et al. (1991)
        • KlĂĽstad
Berge et al. (1981) +1 other reference
Berge et al. (1981)
Berge (n.d.) +2 other references
        • StĂĽlaker
Engvoldsen et al. (1991)
      • Tvedalen
Engvoldsen et al. (1991)
Engvoldsen et al. (1991)
Engvoldsen et al. (1991)
Knut Eldjarn Collection
Engvoldsen et al. (1991)
Larsen et al. (2010)
Larsen et al. (2010)
Engvoldsen et al. (1991)
Engvoldsen et al. (1991)
Peter Andresen collection +1 other reference
Frode Andersen collection/observation ...
Larsen (1988) +1 other reference
    • Sandefjord
      • Vesterøya
Engvoldsen et al. (1991)
Romania
 
  • Harghita County
Ianovici (1933)
Russia
 
  • Buryatia
    • Kizhinginsky District
Pavel.M. Kartashov (n.d.) +1 other reference
  • Murmansk Oblast
...
    • Lovozersky District
      • Keivy Mountains
        • Western Keivy Massif
          • West Keivy Block
in Coll. Martin Slama
Liferovich et al. (2006) +3 other references
USA
 
  • Alaska
    • Fairbanks North Star Borough
      • Fairbanks Mining District
USGS OFR 98-287 (Freeman,1998)
 
Mineral and/or Locality  
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