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Celsian: BaAl2Si2O8 Alforsite: Ba5(PO4)3Cl Titantaramellite: Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2Clx X=0 TO 1, with Ti > Fe Sanbornite: BaSi2O5
Comments: SEM image showing alforsite (al). Matrix composed by lamellar sanbornite (sa) and granular quartz (q). Rectangular crystal in the upper right corner is titantaramellite (ti) and isometric crystals included in sanbornite are celsian (ce).
Location: Trumbull Peak, near Incline, Mariposa Co., California, USA.
Scale: See Image.
© Pavel M. Kartashov
Celsian: BaAl2Si2O8 Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2
Comments: Gray massive celsian with dark red hendricksite.
Location: Franklin, Sussex County, New Jersey, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species