Hackmanite : Na8Al6Si6O24(Cl2,S)
Nepheline : Na3K(Al4Si4O16)
Collected by:
Photo added to mindat.org
“Small piece of magenta Hackmanite on white Nepheline. It is 2.4 x 2.2 cm. From M. Adamowicz collection. ”
Michael Adamowicz - 22nd October 2009
Photo added to mindat.org
“ Hackmanite fluorescing orange under LW light. It is 2.4 x 2.2 cm. ”
Michael Adamowicz - 22nd October 2009
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