Terskite, Eudialyte, Lamprophyllite, Aegirine, Hackmanite
Specimen ID: RKX-RLN
Terskite : Na4ZrSi6O16·2H2O
Eudialyte : Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Lamprophyllite : (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2
Aegirine : NaFe3+Si2O6
Hackmanite : Na8Al6Si6O24(Cl2,S)
Photo added to mindat.org
“White rims of secondary terskite replacing crystals of orange-brown eudyalite in aegirine-III matrix. This terskite has bright green SW UV fluorescention. Associating minerals are brown tabular crystals of lamprophyllite and grey waxy grains of hackmanite (with bright orange SW UV fluorescention) pseudomorphoses after nepheline. FOV is ~2.5x1.9 cm. Collected by Arkady Shpachenko in 1991. Pavel M. Kartashov collection and photo.
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Pavel Kartashov - 23rd May 2008
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