Kaliophilite

kaliophilite

melilite

leucite

latiumite

Images

Formula: KAlSiO₄
Tectosilicate (framework silicate), paramorph of kalsilite
Crystal System: Trigonal
Specific gravity: 2.493 to 2.649 measured, 2.65 calculated
Hardness: 5½ to 6
Streak: White
Colour: Colourless
Common impurities: Fe,Ca,Na
Environments

Volcanic igneous environments

Localities

At the type locality, Mount Somma, Metropolitan City of Naples, Campania, Italy, kaliophilite occurs in blocks of biotite-pyroxenite volcanic ejecta. Associated minerals include biotite, pyroxene, augite, melilite and calcite (HOM).

At the Albano Lake crater, Alban Hills, Metropolitan City of Rome Capital, Lazio, Italy, kaliophilite is associated with clinopyroxene, garnet, leucite, haüyne and latiumite (HOM).

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