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About KaliophiliteHide

5½ - 6
Crystal System:
Named for the Greek for potassium, kalium, and for friendship/friend, philia/philios.
This page provides mineralogical data about Kaliophilite.

Classification of KaliophiliteHide

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

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species

16 : Silicates Containing Aluminum and other Metals
3 : Aluminosilicates of K

Physical Properties of KaliophiliteHide

5½ - 6 on Mohs scale

Optical Data of KaliophiliteHide

Uniaxial (-)
RI values:
nω = 1.532 nε = 1.527
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of KaliophiliteHide

Common Impurities:

Crystallography of KaliophiliteHide

Crystal System:
Cell Parameters:
a = 26.93 Å, c = 8.52 Å
a:c = 1 : 0.316
Unit Cell V:
5,351.10 ų (Calculated from Unit Cell)

Type Occurrence of KaliophiliteHide

Synonyms of KaliophiliteHide

Other Language Names for KaliophiliteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Augite1 photo of Kaliophilite associated with Augite on
Kalsilite1 photo of Kaliophilite associated with Kalsilite on

Related Minerals - Nickel-Strunz GroupingHide

9.FA.05KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
9.FA.05NephelineNa3K(Al4Si4O16)Hex. 6 : P63
9.FA.05Panunzite(K,Na)AlSiO4Hex. 6 : P63
9.FA.05Yoshiokaite(Ca,Na)[Al(Al,Si)O4]Trig. 3 : P3
9.FA.05MegakalsiliteKAlSiO4Hex. 6 : P63
9.FA.10MalinkoiteNaBSiO4Hex. 6 : P63
9.FA.15VirgiliteLiAlSi2O6Hex. 6 2 2 : P62 2 2
9.FA.25LisitsyniteKBSi2O6Orth. 2 2 2 : P2 2 2
9.FA.30Buddingtonite(NH4)(AlSi3)O8Mon. 2 : P21
9.FA.30CelsianBa(Al2Si2O8)Mon. 2/m
9.FA.30MicroclineK(AlSi3O8)Tric. 1
9.FA.30OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30SanidineK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30MonalbiteNaAlSi3O8Mon. 2/m : B2/m
9.FA.35AlbiteNa(AlSi3O8)Tric. 1
9.FA.35AnorthiteCa(Al2Si2O8)Tric. 1 : P1
9.FA.45KumdykoliteNa(AlSi3O8)Orth. mmm (2/m 2/m 2/m) : Pnnm
9.FA.65DanburiteCaB2Si2O8Orth. mmm (2/m 2/m 2/m)
9.FA.65MaleeviteBaB2Si2O8Orth. mmm (2/m 2/m 2/m) : Pnma
9.FA.70Lingunite(Na,Ca)AlSi3O8Tet. 4/m : I4/m
9.FA.75KokchetaviteK(AlSi3O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm

Related Minerals - Dana Grouping (8th Ed.)Hide 6 2 2 : P63 2 2 6 : P63,Na)AlSiO4Hex.,Na)AlSiO4Hex. 6 : P63,Na)[Al(Al,Si)O4]Trig. 3 : P3

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.3.1LithositeK6Al4Si8O25 · 2H2OMon.
16.3.3KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
16.3.4LeuciteK(AlSi2O6)Tet. 4/m : I41/a
16.3.5MicroclineK(AlSi3O8)Tric. 1
16.3.6OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m
16.3.7SanidineK(AlSi3O8)Mon. 2/m : B2/m
16.3.8MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m : B2/b

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.

References for KaliophiliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mierisch, B. (1887) Die auswurfsblöcke des Monte Somma. Mineralogische und Petrographische Mittheilungen: 8: 113-189.
Bowen, N.L. (1917) The sodium-potassium nephelites. American Journal of Science: 43: 115-132.
Gossner, B., Mussgnug, F. (1930) Contribution to the knowledge of kaliophilite. Zeitschrift für Kristallographie: 73: 187-201.
Bannister, F.A., Hey, M.H. (1931) A chemical, optical, and X-ray study of nepheline and kaliophilite. Mineralogical Magazine: 22: 569-608.
Smith, J.V., Tuttle, O.F. (1957) The nepheline-kalsilite system: I. X-ray data for the crystalline phases. American Journal of Science: 255: 282-305.
Cellai, D., Carpenter, M.A., Heaney, P.J. (1992) Phase transitions and microstructures in natural kaliophilite. European Journal of Mineralogy: 4: 1209-1220.
Gregorkiewitz, M., Li, Y., White, T.J., Withers, R.L., Sobrados, I. (2008) The structure of "orthorhombic" KAlSiO4-O1: evidence for Al-Si order from MAS NMR data combined with Rietveld refinement and electron microscopy. The Canadian Mineralogist: 46: 1511-1526.

Internet Links for KaliophiliteHide

Localities for KaliophiliteHide

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.
Italy (TL)
  • Campania
    • Naples
      • Somma-Vesuvius Complex
[Lapis 1994:5 p.13-23,58]
          • Ercolano
            • San Vito
Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
  • Lazio
    • Frosinone Province
      • Supino
Fratangeli G., Severa C. (1996): I minerali nei proietti di Supino (FR). Riv. Mineral. Ital., 20, 3 (3-1996), 251-256.
    • Metropolitan City of Rome Capital
      • Alban Hills
        • Albano Laziale
Barbieri, M., Federico, M., & Tolomeo, L. (1970). Caliofilite nei proietti dei Colli Albani. Rendiconti della Società Italiana di Mineralogia e Petrologia, 26, 401.
        • Ariccia
Christof Schäfer
        • Marino
Giovanni Fraccaro collection
      • Rome
No reference listed
      • Sacrofano Caldera
        • Sacrofano
Gentile P. (1985): Kaliofillite di Sacrofano (Roma). Riv. Mineral. Ital., 9, 4 (4-1985), 145-146.
    • Viterbo Province
Di Battistini, G., Montanini, A., Verniaa, L., Venturelli, G., and Tonarini, S. (2001) Petrology of melilite-bearing rocks from the Montefiascone Volcanic Complex (Roman Magmatic Province): New insights into the ultrapotassic volcanism of Central Italy. Lithos, 59, 1–24.
  • Hawaii
    • Honolulu Co.
      • Oahu
        • Honolulu
Hitchcock, C.H. (1900): The Geology of Oahu, Bull. Geol. Soc. Amer. XI, p47
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