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Apatite-(CaF): Ca5(PO4)3F Beryl: Be3Al2Si6O18 Muscovite: KAl2(Si3Al)O10(OH,F)2 Apatite: Ca5(PO4)3(OH,F,Cl)
Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals. Location: Nagar area, Gilgit district, Northern Areas, Pakistan. Scale: 3 x 3 cm. © Dan Weinrich
Apatite-(CaF): Ca5(PO4)3F Quartz: SiO2
Comments: Purple crystal of fluorapatite on slightly smoky quartz crystals. Former Dr. E.E. David and Houston Museum collections. Location: Pech, Kunar Province, Nuristan, Afghanistan. Scale: Crystal size 3.0 x 2.1 x 1.7 cm. © Ed Rosenzweig
Apatite-(CaF): Ca5(PO4)3F Gatumbaite: CaAl2(PO4)2(OH)2·(H2O)
Comments: White crystalline gatumbaite with yellow brazilianite in massive blue fluorapatite. Location: Buranga Pegmatite, near Gatumba, Gisenyi, Rwanda. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species