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Comments: Clear or white, long, thin bladed crystals of margarosanite on matrix.
Location: Langban, Varmland, Sweden.
Scale: Crystal size 1cm.
© Tom Loomis / Dakota Matrix
Margarosanite: Pb(Ca,Mn++)2Si3O9 Minehillite: (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16 Wollastonite-1A: CaSiO3
Comments: White pearly crystalline minehillite with white margarosanite and dark gray lead, in pale pink opaque wollastonite (distinguished by blue-white fluorescence).
Location: Franklin, Sussex County, New Jersey, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species