Graftonite-sarcopside intergrowths in phosphate nodulas from pegmatite at Michałkowa, Sowie Mountains Block, SW Poland

Abstract

Sareopside (Fe,Mn,Mg)$_{3}$(PO$_{4}$)$_{2}$ and graftonite (Fe,Mn,Ca)$_{3}$(PO$_{4}$)$_{2}$ are the dominant minerals found in the phosphate nodules from the Michałkowa pegmatite in the Sowie Mountains block.